Update branch name reference in packages.yml workflow

The commit modifies the branch name reference for the specific condition in the GitHub Actions workflow defined in packages.yml. Instead of checking for the presence of '3.1.3', the script now looks for the 'main' branch.

.github/workflows/packages.yml

@@ -50,7 +50,7 @@ jobs:
         run: |
           if [[ "${{ github.ref }}" == refs/tags/* && "${{ github.event_name }}" == "release" && "${{ github.event.action }}" == "published" ]]; then
             git fetch --no-tags --prune --depth=1 origin +refs/heads/*:refs/remotes/origin/*
-            git branch --remote --contains | grep 3.1.3
+            git branch --remote --contains | grep main
           else
             git fetch --no-tags --prune --depth=1 origin +refs/heads/*:refs/remotes/origin/*
             git branch --remote --contains | grep origin/${BRANCH_NAME}