chore: bump cursor_templates_version to 1.0.5 and update related files

- Updated cursor_templates_version in project-brief.yaml and related files to 1.0.5 for consistency.
- Enhanced CHANGELOG with new features and improvements for version 1.0.5, including MCP JSON generation and schema updates.
- Reflected version changes in pubspec.yaml and package_graph.json.
- Updated template version references in SKILL.md files across various test cases.

This release improves template reproducibility and aligns documentation with the latest changes.

flutter-cursor-templates/generator/test/golden/bloc-clean-firebase/skills/build/SKILL.md

@@ -576,4 +576,4 @@ dart run build_runner build --delete-conflicting-outputs
 
 Commit generated files (`.g.dart`, `.freezed.dart`, `injection.config.dart`) — do not gitignore them.
 
-**Template version:** 1.0.4
+**Template version:** 1.0.5

flutter-cursor-templates/generator/test/golden/bloc-clean-firebase/skills/debug-issue/SKILL.md

@@ -86,4 +86,4 @@ If evidence is missing, **stop** and print:
 2. What to paste back (full error blocks, not summaries).
 3. If the user cannot run commands: state assumptions explicitly and set confidence to **low**.
 
-**Template version:** 1.0.4
+**Template version:** 1.0.5

flutter-cursor-templates/generator/test/golden/bloc-clean-firebase/skills/explain-code/SKILL.md

@@ -80,4 +80,4 @@ _No Git repository URLs listed._ Add entries under `references.repos` in project
 
 _No local paths listed._ Add monorepo packages or sibling folders under `references.local_paths` in project-brief.yaml when relevant.
 
-**Template version:** 1.0.4
+**Template version:** 1.0.5

flutter-cursor-templates/generator/test/golden/bloc-clean-firebase/skills/verify-change/SKILL.md

@@ -70,4 +70,4 @@ VERIFICATION — paste real output for each line you executed:
 
 If anything fails: switch to **`/debug`** with the failing log before guessing.
 
-**Template version:** 1.0.4
+**Template version:** 1.0.5