checkout base ref

Author: Angelyr

.github/workflows/updateCmakeVersion.yml

@@ -16,7 +16,7 @@ jobs:
       uses: actions/checkout@v4
       with:
         path: master
-        ref: 'master'
+        ref: ${{ github.base_ref }}
 
     - name: Check out current
       uses: actions/checkout@v4