Attempt to fix MacOS build for plugins

Author: Paweł Salawa

.github/workflows/mac_release.yml

@@ -215,6 +215,7 @@ jobs:
                 cp /usr/local/lib/libsqlite3* ../lib
                 cp /usr/local/include/sqlite3* ../include
                 cp /usr/local/opt/openssl/lib/libcrypto*.dylib ../lib
+                cp /opt/local/lib/libtcl*.dylib ../lib
 
             - name: Prepare output dir
               run: mkdir output output/build output/build/Plugins