Fix update workflows for branch dispatch scripts

Author: rujche

.github/workflows/update-spring-cloud-azure-support-file.yml

@@ -20,8 +20,6 @@ jobs:
       has_open_pr: ${{ steps.check.outputs.has_open_pr }}
     steps:
       - uses: actions/checkout@v4
-        with:
-          ref: main
       - name: Check for Existing Open Pull Request
         id: check
         uses: actions/github-script@v7
@@ -46,7 +44,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          ref: main
           fetch-depth: 0
       - name: Generate Spring Cloud Azure Support File
         run: |
@@ -69,7 +66,8 @@ jobs:
           } >> "$GITHUB_ENV"
       - name: Make Decision Based on Git Diff
         run: |
-          git checkout -b "${{ env.BRANCH_NAME }}"
+          git fetch origin main
+          git checkout -B "${{ env.BRANCH_NAME }}" origin/main
           if [[ -n "$(git status -s)" ]]; then
             echo "NEED_UPDATE_FILE=true" >> "$GITHUB_ENV"
           else

.github/workflows/update-spring-dependencies.yml

@@ -20,8 +20,6 @@ jobs:
       skip_pipeline: ${{ steps.check_prs.outputs.skip_pipeline }}
     steps:
       - uses: actions/checkout@v4
-        with:
-          ref: main
       - name: Check for Open Spring Boot Upgrade PRs
         id: check_prs
         uses: actions/github-script@v7
@@ -46,7 +44,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          ref: main
           fetch-depth: 0
       - name: Generate Version File
         run: |
@@ -74,7 +71,8 @@ jobs:
         run: |
           echo "Updating Spring Boot Dependencies Version: ${{ env.spring_boot_version }}"
           echo "Updating Spring Cloud Dependencies Version: ${{ env.spring_cloud_version }}"
-          git checkout -b "${{ env.update_branch }}"
+          git fetch origin main
+          git checkout -B "${{ env.update_branch }}" origin/main
           pip install termcolor
           python ./sdk/spring/scripts/get_spring_boot_managed_external_dependencies.py -b "${{ env.spring_boot_version }}" -c "${{ env.spring_cloud_version }}"
       - name: Update external_dependencies.txt