ci: update docker-build workflow version to v2.3.1 (#51)

Author: Le-Caignec

.github/workflows/docker-push.yml

@@ -28,7 +28,7 @@ jobs:
 
   build:
     needs: compute-tag
-    uses: iExecBlockchainComputing/github-actions-workflows/.github/workflows/docker-build.yml@docker-build-v2.0.0
+    uses: iExecBlockchainComputing/github-actions-workflows/.github/workflows/docker-build.yml@docker-build-v2.3.1
     with:
       image-name: 'iexechub/voucher-subgraph-deployer'
       image-tag: ${{ needs.compute-tag.outputs.computed_tag }}

.github/workflows/docker-test.yml

@@ -4,7 +4,7 @@ on: [pull_request]
 
 jobs:
   build-test:
-    uses: iExecBlockchainComputing/github-actions-workflows/.github/workflows/docker-build.yml@docker-build-v2.0.0
+    uses: iExecBlockchainComputing/github-actions-workflows/.github/workflows/docker-build.yml@docker-build-v2.3.1
     with:
       image-name: 'iexechub/voucher-subgraph-deployer'
       image-tag: ${{ github.sha }}