Update actions/cache action to v6 (#34037)

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

.github/actions/setup-playwright/action.yml

@@ -21,7 +21,7 @@ runs:
               PREFIX: ${{ runner.os }}-${{ runner.arch }}
 
         - name: Cache playwright binaries
-          uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+          uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6
           if: inputs.write-cache == 'true'
           id: cache
           with:
@@ -30,7 +30,7 @@ runs:
 
         # When running in merge queue only restore the cache, never write it
         - name: Restore playwright binaries cache
-          uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+          uses: actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6
           if: inputs.write-cache != 'true'
           id: cache-restore
           with: