Bump actions/github-script from 7 to 8

Bumps [actions/github-script](https://github.com/actions/github-script) from 7 to 8.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v7...v8)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/rebase-upstream.yml

@@ -15,7 +15,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Add comment with rebase instructions
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const comment = `### 🔄 Rebase on Upstream Master
@@ -53,7 +53,7 @@ jobs:
     steps:
       - name: Check if user is authorized
         id: check-auth
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const author_association = context.payload.comment.author_association;
@@ -73,7 +73,7 @@ jobs:
 
       - name: Add rocket reaction to acknowledge command
         if: steps.check-auth.outputs.result == 'true'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             github.rest.reactions.createForIssueComment({
@@ -86,7 +86,7 @@ jobs:
       - name: Get PR branch information
         if: steps.check-auth.outputs.result == 'true'
         id: pr-info
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const { data: pr } = await github.rest.pulls.get({
@@ -197,7 +197,7 @@ jobs:
 
       - name: Add success comment and reaction
         if: steps.check-auth.outputs.result == 'true' && steps.rebase.outputs.rebase_failed != 'true' && steps.push.outputs.push_failed != 'true'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             await github.rest.reactions.createForIssueComment({
@@ -216,7 +216,7 @@ jobs:
 
       - name: Add rebase failure comment and reaction
         if: steps.check-auth.outputs.result == 'true' && failure() && steps.rebase.outputs.rebase_failed == 'true'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             await github.rest.reactions.createForIssueComment({
@@ -256,7 +256,7 @@ jobs:
 
       - name: Add push failure comment and reaction
         if: steps.check-auth.outputs.result == 'true' && failure() && steps.push.outputs.push_failed == 'true'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             await github.rest.reactions.createForIssueComment({