Switch pr-labeler-action to use the StepSecurity-maintained version

The diff looks bigger because it also removes all the Windows carriage
return line endings.

Author: cx-jonathan-hartman

.github/workflows/pr-label.yml

@@ -1,19 +1,19 @@
-name: PR Labeler
-on:
-  pull_request:
-    types: [opened]
-
-permissions:
-  contents: read
-
-jobs:
-  pr-labeler:
-    permissions:
-      pull-requests: write  # for TimonVS/pr-labeler-action to add labels in PR
-    runs-on: cx-public-ubuntu-x64
-    steps:
-      - uses: TimonVS/pr-labeler-action@f9c084306ce8b3f488a8f3ee1ccedc6da131d1af #v5
-        with:
-          configuration-path: .github/pr-labeler.yml # optional, .github/pr-labeler.yml is the default value
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+name: PR Labeler
+on:
+  pull_request:
+    types: [opened]
+
+permissions:
+  contents: read
+
+jobs:
+  pr-labeler:
+    permissions:
+      pull-requests: write  # for TimonVS/pr-labeler-action to add labels in PR
+    runs-on: cx-public-ubuntu-x64
+    steps:
+      - uses: step-security/pr-labeler-action@ef1aaf0814c671e210aced271e5973b598049990 # v5.0.5
+        with:
+          configuration-path: .github/pr-labeler.yml # optional, .github/pr-labeler.yml is the default value
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}