Update release.yml

.github/workflows/release.yml

@@ -25,6 +25,26 @@ jobs:
     - name: Build package
       run: |
         poetry build --ansi
+    
+    - name: Check if there is a parent commit
+      id: check-parent-commit
+      run: |
+        echo "::set-output name=sha::$(git rev-parse --verify --quiet HEAD^)"
+        
+    - name: Detect and tag new version
+      id: check-version
+      if: steps.check-parent-commit.outputs.sha
+      uses: salsify/[email protected]
+      with:
+        version-command: |
+          bash -o pipefail -c "poetry version | awk '{ print \$2 }'"
+            
+    - name: Bump version for developmental release
+      if: "! steps.check-version.outputs.tag"
+      run: |
+        poetry version patch &&
+        version=$(poetry version | awk '{ print $2 }') &&
+        poetry version $version.dev.$(date +%s)
 
     - name: Publish package on PyPI
       uses: pypa/[email protected]