Remove unnecessary checkout

Author: rwinch

.github/workflows/dispatch-deploy-docs.yml

@@ -25,15 +25,12 @@ jobs:
     if: ${{ inputs.should-deploy-docs == 'true' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-        with:
-          ref: ${{ inputs.branch-name }}
-          fetch-depth: 1
       - name: Dispatch (partial build)
         if: ${{ inputs.build-type == 'partial' }}
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: gh workflow run deploy-docs.yml -r $(git rev-parse --abbrev-ref HEAD) -f build-refname=${{ github.ref_name }}
+          BRANCH_NAME: ${{ inputs.branch-name }}
+        run: gh workflow run deploy-docs.yml -r "$BRANCH_NAME" -f build-refname=${{ github.ref_name }}
       - name: Dispatch (full build)
         if: ${{ inputs.build-type == 'full' }}
         env: