use bash shell on windows

Author: mx1up

.github/workflows/release.yml

@@ -16,6 +16,7 @@ jobs:
     steps:
       - name: Extract version from tag
         id: release_info
+        shell: bash
         run: |
           VERSION=${GITHUB_REF#refs/tags/release/}
           NOTES=$(awk "/^## $VERSION/ {flag=1; next} /^## / {if (flag) exit} flag" CHANGELOG.md)