ci: Fix new stage build CI (#3089)

## What ❔

Use correct matrix name.
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.github/workflows/new-build-prover-template.yml

@@ -188,12 +188,12 @@ jobs:
         run: |
           gcloud auth print-access-token --lifetime=7200 --impersonate-service-account=gha-ci-runners@matterlabs-infra.iam.gserviceaccount.com | docker login -u oauth2accesstoken --password-stdin https://asia-docker.pkg.dev
           docker buildx imagetools create \
-            --tag asia-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.components }}:2.0-${{ needs.build-images.outputs.protocol_version }}-${{ inputs.image_tag_suffix }} \
-            us-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.components }}:2.0-${{ needs.build-images.outputs.protocol_version }}-${{ inputs.image_tag_suffix }}
+            --tag asia-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.component }}:2.0-${{ needs.build-images.outputs.protocol_version }}-${{ inputs.image_tag_suffix }} \
+            us-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.component }}:2.0-${{ needs.build-images.outputs.protocol_version }}-${{ inputs.image_tag_suffix }}
 
       - name: Login and push to Europe GAR
         run: |
           gcloud auth print-access-token --lifetime=7200 --impersonate-service-account=gha-ci-runners@matterlabs-infra.iam.gserviceaccount.com | docker login -u oauth2accesstoken --password-stdin https://europe-docker.pkg.dev
           docker buildx imagetools create \
-            --tag europe-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.components }}:2.0-${{ needs.build-images.outputs.protocol_version }}-${{ inputs.image_tag_suffix }} \
-            us-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.components }}:2.0-${{ needs.build-images.outputs.protocol_version }}-${{ inputs.image_tag_suffix }}
+            --tag europe-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.component }}:2.0-${{ needs.build-images.outputs.protocol_version }}-${{ inputs.image_tag_suffix }} \
+            us-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.component }}:2.0-${{ needs.build-images.outputs.protocol_version }}-${{ inputs.image_tag_suffix }}