ci: Caching for 'bun' is not supported

Author: chhoumann

.github/workflows/test.yml

@@ -21,7 +21,6 @@ jobs:
               uses: actions/setup-node@v4
               with:
                   node-version: ${{ matrix.node-version }}
-                  cache: "bun"
             - name: Install dependencies
               run: |
                   bun install