Add semicolon to the value for applyTo

This fixes a Frontmatter issue whch causes rendering problems on Github

See file https://github.com/project-codeguard/rules/blob/main/ide_rules/.github/instructions/codeguard-0-additional-cryptography.instructions.md

Author: ChristianVargas1982

src/formats/copilot.py

@@ -47,7 +47,7 @@ def generate(self, rule: ProcessedRule, globs: str) -> str:
         yaml_lines = []
 
         # Add applyTo (Copilot's equivalent of globs)
-        yaml_lines.append(f"applyTo: {globs}")
+        yaml_lines.append(f"applyTo: '{globs}'")
 
         # Add title
         title = self._format_yaml_field("title", rule.description)