chore(deps): update actions/cache action to v5.0.2

Author: my-renovate[bot]

.github/workflows/mega-linter.yml

@@ -48,7 +48,7 @@ jobs:
 
       - name: Restore lychee cache
         id: restore-cache
-        uses: actions/cache/restore@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/restore@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
         with:
           path: .lycheecache
           key: cache-lychee-${{ github.sha }}
@@ -61,7 +61,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Save lychee cache
-        uses: actions/cache/save@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/save@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
         if: always() && steps.restore-cache.outputs.cache-primary-key
         with:
           path: .lycheecache

.github/workflows/pr-slack-notification.yml

@@ -47,7 +47,7 @@ jobs:
           echo "${TS}" > slack-message-timestamp.txt
 
       - name: Cache slack message timestamp
-        uses: actions/cache/save@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
+        uses: actions/cache/save@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
         with:
           path: slack-message-timestamp.txt
           key: slack-message-timestamp-${{ github.event.pull_request.html_url }}-${{ steps.message.outputs.ts }}