Update iarekylew00t/verified-bot-commit action to v2.1.8

Author: gardener-ci-robot

.github/workflows/dependency-diagrams.yml

@@ -43,7 +43,7 @@ jobs:
         run: yarn generate-all-dependency-diagrams
 
       - name: Commit changes
-        uses: iarekylew00t/verified-bot-commit@26994940c86b57388b839ea195b5e98f6b0846a2 # v2.1.7
+        uses: iarekylew00t/verified-bot-commit@b12a1250f23e606d9aa77e54ecba1d788dfa06be # v2.1.8
         with:
           message: 'Update dependency diagrams'
           files: |