Fix Shards availability on Mac

Author: oprypin

.github/workflows/main.yml

@@ -18,6 +18,8 @@ jobs:
       - run: npm install
       - uses: ./
       - run: crystal eval "puts 1337"
+      - run: shards --version
+        if: runner.os != 'Windows'
       - uses: ./
         with:
           crystal: nightly

index.js

@@ -123,6 +123,7 @@ async function installBinaryRelease({crystal, suffix, destination}) {
     }
 
     Core.info("Setting up environment");
+    Core.addPath(Path.join(path, "embedded", "bin"));
     Core.addPath(Path.join(path, "bin"));
 }