fix: remove reliance on u20 runners (main branch) (#564)

Author: nyannyacha

.github/workflows/releases.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   release:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     outputs:
       published: ${{ steps.semantic.outputs.new_release_published }}
       version: ${{ steps.semantic.outputs.new_release_version }}