Add new docker tag to address repo name change

Author: wileyj

.github/workflows/image-build-alpine-binary.yml

@@ -55,6 +55,7 @@ jobs:
         uses: docker/metadata-action@v4
         with:
           images: |
+            blockstack/stacks-blockchain
             blockstack/${{ github.event.repository.name }}
           tags: |
             type=raw,value=latest,enable=${{ inputs.tag != '' && (github.ref == format('refs/heads/{0}', github.event.repository.default_branch) )}}

.github/workflows/image-build-debian-binary.yml

@@ -67,6 +67,7 @@ jobs:
         uses: docker/metadata-action@v4
         with:
           images: |
+            blockstack/stacks-blockchain
             blockstack/${{ github.event.repository.name }}
           tags: |
             type=raw,value=latest-${{ inputs.linux_version }},enable=${{ inputs.tag != '' && (github.ref == format('refs/heads/{0}', github.event.repository.default_branch) )}}

.github/workflows/image-build-debian-source.yml

@@ -66,6 +66,7 @@ jobs:
         uses: docker/metadata-action@v4
         with:
           images: |
+            blockstack/stacks-blockchain
             blockstack/${{ github.event.repository.name }}
           tags: |
             type=raw,value=${{ env.BRANCH_NAME }}