chore: Revert auto commit action to v5 (#2280)

#### Summary

Looks like v6 is partially broken stefanzweifel/git-auto-commit-action#385

https://github.com/cloudquery/plugin-sdk/actions/runs/17508062904/job/49825303792?pr=2277#step:5:43

---

Author: erezrokah

.github/workflows/go_mod_tidy_examples.yml

@@ -25,6 +25,6 @@ jobs:
       - name: Run go mod tidy
         working-directory: examples/${{ matrix.plugin }}
         run: go mod tidy
-      - uses: stefanzweifel/git-auto-commit-action@v6
+      - uses: stefanzweifel/git-auto-commit-action@v5
         with:
             commit_message: "chore: Tidy"