ci(replay-ui): point bun cache key at replay-ui/bun.lock

.github/workflows/ci.yml

@@ -49,7 +49,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/.bun/install/cache
-          key: bun-${{ runner.os }}-${{ hashFiles('web/bun.lock') }}
+          key: bun-${{ runner.os }}-${{ hashFiles('replay-ui/bun.lock') }}
           restore-keys: |
             bun-${{ runner.os }}-