chore(deps): bump actions/github-script from v3 to v4.0.1

Bumps [actions/github-script](https://github.com/actions/github-script) from v3 to v4.0.1.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](https://github.com/actions/github-script/compare/v3...85e88a66eaa831097093a3d278536947f2984d20)

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

.github/workflows/build-test.yml

@@ -31,7 +31,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Generate testing matrix
-        uses: actions/github-script@v3
+        uses: actions/github-script@v4.0.1
         id: generator
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -58,7 +58,7 @@ jobs:
 
     steps:
       - name: Get short node version
-        uses: actions/github-script@v3
+        uses: actions/github-script@v4.0.1
         id: short-version
         with:
           result-encoding: string