Fix test-pypi publishing

Author: datek

.github/workflows/CI.yml

@@ -50,7 +50,7 @@ jobs:
         shell: bash
         run: |
           dev_version=$(date '+%Y%m%d%H%M%S')
-          echo "RELEASE_VERSION=0.1.0${{ github.head_ref }}${dev_version}" >> $GITHUB_ENV
+          echo "RELEASE_VERSION=0.1.0test${dev_version}" >> $GITHUB_ENV
 
       - uses: ./.github/build
         with: