chore(deps): pin actions/github-script action to d7906e4

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/pr-welcome.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Add welcome comment on PR (draft)'
-        uses: actions/github-script@v6
+        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6
         if: "github.event.pull_request.draft"
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -30,7 +30,7 @@ jobs:
               body: 'Thank you for your contribution! 🙏 Let us know when you are ready for a review by publishing the PR.'
             });
       - name: 'Add welcome comment on PR'
-        uses: actions/github-script@v6
+        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6
         if: "!github.event.pull_request.draft"
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -42,7 +42,7 @@ jobs:
               body: 'Thank you for your contribution! 🙏 We will review your PR as soon as possible.\n\n\n While you are waiting, make sure to:\n\n\n- Add an entry in [our changelog](https://github.com/kedacore/keda/blob/main/CHANGELOG.md) in alphabetical order and link related issue\n- Update the [documentation](https://github.com/kedacore/keda-docs), if needed\n- Add unit & [e2e](https://github.com/kedacore/keda/blob/main/tests/README.md) tests for your changes\n- GitHub checks are passing\n- Is the DCO check failing? Here is [how you can fix DCO issues](https://github.com/kedacore/keda/blob/main/CONTRIBUTING.md#i-didnt-sign-my-commit-now-what)\n\n\nLearn more about:\n- Our [contribution guide](https://github.com/kedacore/keda/blob/main/CONTRIBUTING.md)'
             });
       - name: 'Apply review required label'
-        uses: actions/github-script@v6
+        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6
         if: "!github.event.pull_request.draft"
         with:
           script: |
@@ -53,7 +53,7 @@ jobs:
               labels: ["requires-pr-review"]
             })
       - name: 'Remove review required label'
-        uses: actions/github-script@v6
+        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6
         if: github.event_name == 'pull_request_review' && (github.event.review.state == 'submitted' || github.event.review.state == 'edited')
         with:
           script: |