CD: Adjust the automatic release notes texts

Author: lukash

.github/workflows/create_release.yml

@@ -64,10 +64,13 @@ jobs:
 
       - name: Generate Release Notes
         run: |
-          if [[ "${{env.PREVIEW}}" == "true" ]]; then
-            echo "**WARNING: This is an experimental version of the package. Bugs may and will be present. Be very careful!**" > release_notes.md
+          if [[ "${{env.PRERELEASE}}" == "true" ]]; then
+            echo "**WARNING: This is a test version of the package. Bugs may be present.**" > release_notes.md
             echo "" >> release_notes.md
           fi
+          echo "**Use at your own risk!!!**" >> release_notes.md
+          echo "" >> release_notes.md
+
           python changelog.py >> release_notes.md
 
       - name: Create Release