Release 0.2.1 (#6)

- upgrade release number

Author: KinNeko-De

.github/workflows/release.yml

@@ -2,7 +2,7 @@ on:
     workflow_dispatch
 
 env:
-    MAJOR_MINOR_PATCH: 0.2.0
+    MAJOR_MINOR_PATCH: 0.2.1
     FEATURE_BRANCH_BUILD: 1
 
 concurrency: release-${{ github.ref }}