ENH: Update actions/checkout to version 4.

hjmjohnson · hjmjohnson · commit 8661dd02af9b · 2025-03-18T09:38:34.000-05:00
diff --git a/.github/workflows/clang-format-linter.yml b/.github/workflows/clang-format-linter.yml
@@ -7,5 +7,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
+
     - uses: InsightSoftwareConsortium/ITKClangFormatLinterAction@master
