openssl on CI

Author: hannesa2

.github/workflows/BuildPR.yml

@@ -16,6 +16,8 @@ jobs:
         with:
           fetch-depth: 0
           submodules: true
+      - name: openSSL
+        run: brew install openssl
       - name: Set XCode Version
         run: sudo xcode-select -s /Applications/${{ matrix.xcode }}.app
       - name: pre build