Move github ref reset inside conda-lock job

.github/workflows/update-lockfile.yml

@@ -20,25 +20,17 @@ env:
 # - pull_request: Base branch of the PR.
 
 jobs:
-  set-github-ref:
+  update-conda-lockfile:
     runs-on: ubuntu-latest
-    if: ${{ (github.event_name == 'schedule') }}
     defaults:
       run:
         shell: bash -l {0}
     steps:
-      - name: Set GitHub Ref
+      - name: Set GitHub ref if running on schedule
+        if: ${{ (github.event_name == 'schedule') }}
         run: |
           echo "This action was triggered by a schedule. Running on dev."
           echo "GITHUB_REF=dev" >> $GITHUB_ENV
-
-  update-conda-lockfile:
-    needs: set-github-ref
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        shell: bash -l {0}
-    steps:
       - uses: actions/checkout@v4
         with:
           token: ${{ secrets.PUDL_BOT_PAT }}