fix: add OPENSSL_STATIC=1 for macOS cross-compilation in CI

Author: wasabeef

.github/workflows/release.yml

@@ -74,6 +74,8 @@ jobs:
           targets: ${{ matrix.platform.target }}
 
       - name: Build binary
+        env:
+          OPENSSL_STATIC: 1
         run: |
           cargo build --release --target ${{ matrix.platform.target }}