Fix version bump workflow on call (#380)

.github/workflows/version-bump.yml

@@ -22,6 +22,9 @@ jobs:
     steps:
       - name: Checkout Branch
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          repository: bitwarden/directory-connector
+          ref: master
 
       - name: Login to Azure - CI Subscription
         uses: Azure/login@92a5484dfaf04ca78a94597f4f19fea633851fa2 # v1.4.7
@@ -113,7 +116,7 @@ jobs:
           TITLE: "Bump version to ${{ inputs.version_number }}"
         run: |
           PR_URL=$(gh pr create --title "$TITLE" \
-            --base "$GITHUB_REF" \
+            --base "master" \
             --head "$PR_BRANCH" \
             --label "version update" \
             --label "automated pr" \