fix branch

.gitea/workflows/lint-test-helm.yaml

@@ -28,11 +28,11 @@ jobs:
         id: check-branch-exists
         uses: GuillaumeFalourd/branch-exists@v1.1
         with:
-          branch: "origin/${{ github.base_ref }}"
+          branch: ${{ github.base_ref }}
 
       - name: Branch Does Not Exist
         if: steps.check-branch-exists.outputs.exists == 'false'
-        run: echo "Branch origin/${{ github.base_ref }} was not found, likely already merged"
+        run: echo "Branch ${{ github.base_ref }} was not found, likely already merged"
 
       - name: Set up Helm
         if: steps.check-branch-exists.outputs.exists == 'true'
@@ -46,7 +46,7 @@ jobs:
         run: |
           set -e  # Exit immediately if a command exits with a non-zero status.
 
-          TARGET_BRANCH="origin/${{ github.base_ref }}"
+          TARGET_BRANCH="${{ github.base_ref }}"
           echo ">> Target branch for diff is: $TARGET_BRANCH"
 
           CHANGED_FILES=$(git diff --name-only "$TARGET_BRANCH" -- 'clusters/**')