[gha] fix MacOS build

More info: https://github.com/orgs/Homebrew/discussions/3895

Signed-off-by: R4SAS <r4sas@i2pmail.org>

.github/workflows/build-osx.yml

@@ -14,6 +14,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: install packages
       run: |
+        find /usr/local/bin -lname '*/Library/Frameworks/Python.framework/*' -delete
         brew update
         brew install boost miniupnpc openssl@1.1
     - name: build application