ci(test/brew): update brew before running tests

Author: rami3l

.github/workflows/test.yml

@@ -130,6 +130,8 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
         with:
           targets: aarch64-apple-darwin
+      - uses: Upgrade Homebrew
+        run: brew update
       - name: Build and run tests
         env:
           CARGO_BUILD_TARGET: aarch64-apple-darwin