fix(repo): update version of actions/github-script in nightly script (#28784)

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Fixes #

.github/workflows/e2e-matrix.yml

@@ -549,7 +549,7 @@ jobs:
 
       - name: Make slack outputs
         id: process-json
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         env:
           GITHUB_TOKEN: ${{ github.token }}
         with:

.github/workflows/e2e-windows.yml

@@ -408,7 +408,7 @@ jobs:
 
       - name: Make slack outputs
         id: process-json
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         env:
           GITHUB_TOKEN: ${{ github.token }}
         with: