ci(bin-image): populate DOCKER_GITCOMMIT, take 2

Signed-off-by: Bjorn Neergaard <bjorn.neergaard@docker.com>
(cherry picked from commit 73ffb48bfbbc1fb927c689914cfff5992129da0f)
Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>

.github/workflows/bin-image.yml

@@ -113,13 +113,13 @@ jobs:
         name: Build
         id: bake
         uses: docker/bake-action@v3
+        env:
+          DOCKER_GITCOMMIT: ${{ github.sha }}
         with:
           files: |
             ./docker-bake.hcl
             /tmp/bake-meta.json
           targets: bin-image
-          env:
-            DOCKER_GITCOMMIT: ${{ github.sha }}
           set: |
             *.platform=${{ matrix.platform }}
             *.output=type=image,name=${{ env.MOBYBIN_REPO_SLUG }},push-by-digest=true,name-canonical=true,push=${{ github.event_name != 'pull_request' }}