[ci][publisher] Tackling review from CodeRabbit

Author: benjaminguttmann-avtq

ci/pipelines/publisher.yml

@@ -485,7 +485,6 @@ jobs:
     params:
       image: stemcell-image/image
       additional_tags: candidate-(@= data.values.stemcell_details.os_name @)-stemcell-(@= str(data.values.stemcell_details.major_version) @)/.resource/version
-      bump_aliases: true
   - put: published-(@= data.values.stemcell_details.os_name @)-stemcell-(@= str(data.values.stemcell_details.major_version) @)
     params:
       files:
@@ -843,6 +842,7 @@ resources:
     repository: ghcr.io/cloudfoundry/(@= data.values.stemcell_details.os_name @)-stemcell
     username: ((github_read_write_packages.username))
     password: ((github_read_write_packages.password))
+    tag: latest
 
 - name: bosh-integration-registry-image
   type: registry-image