chore(deps): update actions/setup-node action from v6.4.0 to v7 (.github/workflows/validate_docs_build.yml) (#15256)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/gh-pages.yml

@@ -22,7 +22,7 @@ jobs:
           extended: true
 
       - name: Setup Node
-        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: '24.18.0' # TODO: Renovate helper might not be needed here - needs to be fully tested
 

.github/workflows/validate_docs_build.yml

@@ -17,7 +17,7 @@ jobs:
           extended: true
 
       - name: Setup Node
-        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: '24.18.0' # TODO: Renovate helper might not be needed here - needs to be fully tested