Merge pull request #15368 from guardian/dependabot/github_actions/guardian/dot-github/dot-github/workflows/require-label.yaml-3.1.0

Bump guardian/.github/.github/workflows/require-label.yaml from 3.0.0 to 3.1.0

Author: DanielCliftonGuardian

.github/workflows/check-labels.yaml

@@ -6,4 +6,4 @@ on:
     types: [opened, labeled, unlabeled, synchronize, reopened, edited]
 jobs:
   require-label:
-    uses: guardian/.github/.github/workflows/require-label.yaml@d8e99387686ec439e37c883ba9bb8ab2b43a6b81 #  v3.0.0
+    uses: guardian/.github/.github/workflows/require-label.yaml@02937505d39c570351300878870233e0b1a5e073 #  v3.1.0