ci(deps): bump actions/github-script from 8 to 9

Bumps [actions/github-script](https://github.com/actions/github-script) from 8 to 9.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v8...v9)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-version: '9'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/breaking-change-check.yml

@@ -149,7 +149,7 @@ jobs:
       # Uses a hidden HTML marker so subsequent pushes update the same comment
       # rather than creating a new one per commit.
       - name: Post or update PR comment
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           script: |
             const fs = require('fs');

.github/workflows/integration-testing-regression.yml

@@ -56,7 +56,7 @@ jobs:
     steps:
       - name: Check for fork PR
         id: fork-check
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           result-encoding: string
           script: |

.github/workflows/integration-testing.yml

@@ -33,7 +33,7 @@ jobs:
 
       - name: Safety Check - Prevent Workflow Modification Attacks
         id: safety-check
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           result-encoding: string
           script: |
@@ -70,7 +70,7 @@ jobs:
             return 'true';
 
       - name: Collaborator Check
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         id: collab-check
         with:
           result-encoding: string

.github/workflows/pr-automerge.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
       - name: Check CI status
         id: ci-status
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           script: |
             const { data: checkRuns } = await github.rest.checks.listForRef({
@@ -51,7 +51,7 @@ jobs:
 
       - name: Auto-merge PR
         if: steps.ci-status.outputs.result == 'true'
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           script: |
             await github.rest.pulls.merge({

.github/workflows/slack-open-prs-notification.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - name: Get open PRs
         id: open-prs
-        uses: actions/github-script@v8
+        uses: actions/github-script@v9
         with:
           script: |
             const { data: prs } = await github.rest.pulls.list({