fix: update image name to 'iexechub/poco-subgraph-deployer' in workflow files

Author: gfournierPro

.github/workflows/docker-push.yml

@@ -31,7 +31,7 @@ jobs:
     needs: compute-tag
     uses: iExecBlockchainComputing/github-actions-workflows/.github/workflows/[email protected]
     with:
-      image-name: 'iexechub/voucher-subgraph-deployer'
+      image-name: 'iexechub/poco-subgraph-deployer'
       image-tag: ${{ needs.compute-tag.outputs.computed_tag }}
       security-scan: false
       hadolint: false

.github/workflows/docker-test.yml

@@ -6,7 +6,7 @@ jobs:
   build-test:
     uses: iExecBlockchainComputing/github-actions-workflows/.github/workflows/[email protected]
     with:
-      image-name: 'iexechub/voucher-subgraph-deployer'
+      image-name: 'iexechub/poco-subgraph-deployer'
       image-tag: ${{ github.sha }}
       push: false
       security-scan: true