build(deps): bump actions/cache from 4 to 5 (#356)

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Author: dependabot[bot]

.github/workflows/tf-checks.yml

@@ -138,7 +138,7 @@ jobs:
           fi
 
       - name: ♻️ Cache Terraform plugins
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ${{ env.TF_PLUGIN_CACHE_DIR }}
           key: terraform-${{ runner.os }}-${{ hashFiles('**/.terraform.lock.hcl') }}