run Updatecli script from the main branch

Author: andrzej-stencel

.github/workflows/bump-otel-version.yml

@@ -23,8 +23,6 @@ jobs:
         branch: ["main", "8.19"]
     steps:
     - uses: actions/checkout@v4
-      with:
-        ref: ${{ matrix.branch }}
 
     - name: Set up Go
       uses: actions/setup-go@v5