Update softprops/action-gh-release action to v2

Author: renovate[bot]

.github/workflows/release.yml

@@ -48,7 +48,7 @@ jobs:
             VRChatRejoinTool.Installer.BOOTH.zip
 
       - name: tagged-release
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/')
         with:
           files: |