COMP: Update branch fro ITKClangFormatLinterAction to main

Changed from master to main.

Also update actions/checkout to v5.

Author: thewtex

.github/workflows/clang-format-linter.yml

@@ -10,8 +10,8 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
-    - uses: InsightSoftwareConsortium/ITKClangFormatLinterAction@master
+    - uses: actions/checkout@v5
+    - uses: InsightSoftwareConsortium/ITKClangFormatLinterAction@main
       with:
         error-message: 'Code is inconsistent with ITK Coding Style. Add the *action:ApplyClangFormat* PR label to correct.'
         itk-branch: release-5.4