docs: update actions and workflows documentation

[skip ci]

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: hoverkraft-bot[bot]

actions/docker/get-image-metadata/README.md

@@ -35,7 +35,7 @@ It uses the [docker/metadata-action](https://github.com/docker/metadata-action)
 ## Usage
 
 ```yaml
-- uses: hoverkraft-tech/ci-github-container/actions/docker/get-image-metadata@67e5563d6681bb610c1c961eecb6dfcd5b3cc62f # 0.30.5
+- uses: hoverkraft-tech/ci-github-container/actions/docker/get-image-metadata@a0bab9151cc074af9f6c8204ab42a48d2d570379 # 0.30.6
   with:
     # OCI registry where to pull and push images
     # This input is required.
@@ -111,7 +111,7 @@ This project is licensed under the MIT License.
 
 SPDX-License-Identifier: MIT
 
-Copyright © 2025 hoverkraft
+Copyright © 2026 hoverkraft
 
 For more details, see the [license](http://choosealicense.com/licenses/mit/).