Docs: [AEA-0000] - fix docs (#7)

## Summary

- Routine Change

### Details

- fix docs

Author: anthony-nhs

.github/instructions/general/security.instructions.md

@@ -2,6 +2,9 @@
 applyTo: '**/*'
 description: "Comprehensive secure coding instructions for all languages and frameworks, based on OWASP Top 10 and industry best practices."
 ---
+
+This file is mastered in https://github.com/NHSDigital/eps-copilot-instructions and is automatically synced to all EPS repositories. To suggest changes, please open an issue or pull request in the eps-copilot-instructions repository.
+
 # Secure Coding and OWASP Guidelines
 
 ## Instructions

.github/instructions/languages/cdk.instructions.md

@@ -3,6 +3,8 @@ description: 'Guidelines for writing, reviewing, and maintaining AWS CDK (TypeSc
 applyTo: 'packages/cdk/**/*.ts'
 ---
 
+This file is mastered in https://github.com/NHSDigital/eps-copilot-instructions and is automatically synced to all EPS repositories. To suggest changes, please open an issue or pull request in the eps-copilot-instructions repository.
+
 # AWS CDK TypeScript Development
 
 This file provides instructions for generating, reviewing, and maintaining AWS CDK code in the `packages/cdk` folder. It covers best practices, code standards, architecture, and validation for infrastructure-as-code using AWS CDK in TypeScript.

.github/instructions/languages/cloudformation.instructions.md

@@ -3,6 +3,8 @@ description: 'Guidelines for writing, reviewing, and maintaining cloudformation
 applyTo: 'cloudformation/**'
 ---
 
+This file is mastered in https://github.com/NHSDigital/eps-copilot-instructions and is automatically synced to all EPS repositories. To suggest changes, please open an issue or pull request in the eps-copilot-instructions repository.
+
 ## General
 - Prefer YAML (not JSON). Follow existing style in [cloudformation/account_resources.yml](cloudformation/account_resources.yml), [cloudformation/ci_resources.yml](cloudformation/ci_resources.yml), [cloudformation/artillery_resources.yml](cloudformation/artillery_resources.yml), [cloudformation/account_resources_bootstrap.yml](cloudformation/account_resources_bootstrap.yml), [cloudformation/management.yml](cloudformation/management.yml).
 - Always start with `AWSTemplateFormatVersion: "2010-09-09"`.

.github/instructions/languages/python.instructions.md

@@ -3,6 +3,8 @@ description: 'Guidelines for writing high-quality, maintainable python code with
 applyTo: '**/*.py'
 ---
 
+This file is mastered in https://github.com/NHSDigital/eps-copilot-instructions and is automatically synced to all EPS repositories. To suggest changes, please open an issue or pull request in the eps-copilot-instructions repository.
+
 # Python Copilot Instructions
 
 These instructions are designed to guide GitHub Copilot in generating effective, maintainable, and domain-appropriate Python code. They are intended to be generic and applicable to a wide range of Python projects.

.github/instructions/languages/sam.instructions.md

@@ -2,6 +2,9 @@
 description: 'Guidelines for writing, reviewing, and maintaining SAM templates'
 applyTo: 'SAMtemplates/**'
 ---
+
+This file is mastered in https://github.com/NHSDigital/eps-copilot-instructions and is automatically synced to all EPS repositories. To suggest changes, please open an issue or pull request in the eps-copilot-instructions repository.
+
 ## Scope
 These instructions apply exclusively to files located under the `SAMtemplates` directory. Ensure that any SAM templates or related configurations outside this directory are not governed by these guidelines.
 

.github/instructions/languages/terraform.instructions.md

@@ -3,6 +3,8 @@ description: 'Comprehensive guidelines for writing, organizing, and maintaining
 applyTo: 'terraform/**/*.tf'
 ---
 
+This file is mastered in https://github.com/NHSDigital/eps-copilot-instructions and is automatically synced to all EPS repositories. To suggest changes, please open an issue or pull request in the eps-copilot-instructions repository.
+
 # Terraform Development Guidelines
 
 This document provides best practices and conventions for writing, organizing, and maintaining Terraform code. It is intended for use by developers and GitHub Copilot to ensure consistency, reliability, and maintainability across all Terraform files in the project.

.github/instructions/languages/typescript.instructions.md

@@ -3,6 +3,8 @@ description: 'Guidelines for writing high-quality, maintainable TypeScript code
 applyTo: '**/*.{ts,tsx}'
 ---
 
+This file is mastered in https://github.com/NHSDigital/eps-copilot-instructions and is automatically synced to all EPS repositories. To suggest changes, please open an issue or pull request in the eps-copilot-instructions repository.
+
 # TypeScript Development Guidelines
 
 This document provides instructions for generating, reviewing, and maintaining TypeScript code. It is designed to guide Copilot and developers in producing domain-specific, robust, and maintainable code across a variety of TypeScript projects.

.github/prompts/code_review.prompt.md

@@ -2,6 +2,8 @@
 description: "Perform a comprehensive code review"
 ---
 
+This file is mastered in https://github.com/NHSDigital/eps-copilot-instructions and is automatically synced to all EPS repositories. To suggest changes, please open an issue or pull request in the eps-copilot-instructions repository.
+
 ## Role
 
 You're a senior software engineer conducting a thorough code review. Provide constructive, actionable feedback.

README.md

@@ -18,8 +18,6 @@ The action is intended to be called from another repository. It:
 3. Replaces the target repository's Copilot instruction files with the shared versions
 4. Creates a signed pull request containing the sync changes
 
-The action currently syncs content from `NHSDigital/eps-common-workflows`.
-
 ## Files synced by the action
 
 The action copies the following paths into the calling repository:
@@ -52,7 +50,7 @@ on:
 
 jobs:
   sync-copilot-instructions:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     environment: create_pull_request
     permissions:
       contents: read