chore: build github container registry images (#40)

Pushes new container images up to our GitHub container registry that
makes them available to the public. Eventually we'll want this to be
done by the shared GitHub action workflow but this is easier for now.

Author: scotwells

.github/workflows/build.yaml

@@ -23,6 +23,8 @@ jobs:
       matrix:
         service:
           - datum-authorization-webhook
+          - datum-apiserver
+          - datum-controller-manager
 
     steps:
     - name: Checkout repository
@@ -41,12 +43,12 @@ jobs:
       with:
         images: ghcr.io/datum-cloud/${{ matrix.service }}
         tags: |
-          type=schedule
-          type=ref,event=branch
           type=ref,event=pr
-          type=semver,pattern={{version}}
-          type=semver,pattern={{major}}.{{minor}}
-          type=semver,pattern={{major}}
+          type=ref,event=branch
+          type=ref,event=branch,suffix=-{{commit_date 'YYYYMMDD-HHmmss'}}
+          type=semver,pattern=v{{version}}
+          type=semver,pattern=v{{major}}.{{minor}}
+          type=semver,pattern=v{{major}}
           type=sha
 
     - name: Build ${{ matrix.service }}