fix: update editorconfig branch references in workflows

Author: IShix-g

.github/workflows/test-unity-cs-linter-dispatch.yaml

@@ -27,6 +27,6 @@ jobs:
     uses: ./.github/workflows/reusable-unity-cs-linter-dispatch.yaml
     with:
       base-branch: ${{ github.ref }}
-      editorconfig-branch: ${{ github.event.repository.default_branch }}
+      editorconfig-branch: ${{ github.ref }}
       include-paths: ${{ inputs.include-paths }}
       exclude-paths: ${{ inputs.exclude-paths }}

.github/workflows/test-unity-cs-linter-pull-request.yaml

@@ -11,6 +11,6 @@ jobs:
     with:
       head-branch: ${{ github.event.pull_request.head.ref }}
       base-branch: ${{ github.event.pull_request.base.ref }}
-      editorconfig-branch: ${{ github.event.repository.default_branch }}
+      editorconfig-branch: ${{ github.event.pull_request.head.ref }}
       include-paths: 'Assets/Tests/StyleTest/.*'
       exclude-paths: 'Assets/Tests/StyleTest/FileNameIssueStyleViolationTest.cs'