fix: Use PKG_CONFIG_PATH for macOS sasl2/openssl discovery

Author: rahulbsw

.github/workflows/release.yml

@@ -97,8 +97,7 @@ jobs:
         run: |
           brew install openssl@3 cyrus-sasl
           echo "OPENSSL_DIR=$(brew --prefix openssl@3)" >> $GITHUB_ENV
-          echo "SASL2_INCLUDE_DIR=$(brew --prefix cyrus-sasl)/include" >> $GITHUB_ENV
-          echo "SASL2_LIBRARY_DIR=$(brew --prefix cyrus-sasl)/lib" >> $GITHUB_ENV
+          echo "PKG_CONFIG_PATH=$(brew --prefix openssl@3)/lib/pkgconfig:$(brew --prefix cyrus-sasl)/lib/pkgconfig" >> $GITHUB_ENV
 
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
@@ -127,6 +126,8 @@ jobs:
     name: Build and Push Docker Images
     runs-on: ubuntu-latest
     continue-on-error: true
+    env:
+      REGISTRY: ghcr.io
     steps:
       - uses: actions/checkout@v4