build: bump actions/github-script from 6 to 7

Bumps [actions/github-script](https://github.com/actions/github-script) from 6 to 7.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v6...v7)

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

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

.github/workflows/main.yml

@@ -130,7 +130,7 @@ jobs:
 
     - name: Create tag
       if: steps.isRelease.outputs.value
-      uses: actions/github-script@v6
+      uses: actions/github-script@v7
       with:
         script: |
           github.rest.git.createRef({

.github/workflows/upgradebot.yml

@@ -97,7 +97,7 @@ jobs:
         new_branch: ${{ github.event.inputs.upgradeBranchName }}
 
     - name: Create package updates PR
-      uses: actions/github-script@v6
+      uses: actions/github-script@v7
       with:
         script: |
           console.log('Creating PR for dependencies upgrade');