Update actions/cache action from v5.0.2 to v5.0.3 (.github/workflows/validate_docs_build.yml) (#14202)

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

Author: renovate[bot]

.github/workflows/gh-pages.yml

@@ -27,7 +27,7 @@ jobs:
           node-version: '24.13.0' # TODO: Renovate helper might not be needed here - needs to be fully tested
 
       - name: Cache dependencies
-        uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}

.github/workflows/validate_docs_build.yml

@@ -22,7 +22,7 @@ jobs:
           node-version: '24.13.0' # TODO: Renovate helper might not be needed here - needs to be fully tested
 
       - name: Cache dependencies
-        uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}