A few more minor fixes. (#7)

Author: floitsch

.github/workflows/ci.yml

@@ -79,7 +79,7 @@ jobs:
           fi
 
       - name: Sign the executable (macOS)
-        if: env.SIGN_MACOS == 'true'
+        if: env.SIGN_MACOS == 'true' && runner.os == 'macOS'
         uses: toitlang/action-macos-sign-notarize@567fcd7c0b89e1b4d0fbc5132cce6e56224db1b7 # v1.2.0
         with:
           certificate: ${{ secrets.MACOS_CERTIFICATE }}

.github/workflows/readme.yml

@@ -35,6 +35,7 @@ jobs:
         with:
           fetch-depth: 0
           token: ${{ steps.app-token.outputs.token }}
+          ref: main
 
       - name: Update the README
         run: |