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

Author: renovate[bot]

.github/workflows/agent-control-e2e.yml

@@ -51,7 +51,7 @@ jobs:
           targets: >-
             x86_64-unknown-linux-musl
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/