Switch to ghcr to publish Kanister images

[PrasadG193]

Change Overview

Authenticating docker client:

docker login https://ghcr.io -u github_username -p GITHUB_PERSONAL_ACCESS_TOKEN

Scopes needed while creating PA token:

read:packages
write:packages
delete:packages

Kanister packages: https://github.com/orgs/kanisterio/packages

Pull request type

Please check the type of change your PR introduces:

• 🚧 Work in Progress
• 🌈 Refactoring (no functional changes, no api changes)
• 🐹 Trivial/Minor
• 🐛 Bugfix
• 🌻 Feature
• 🗺️ Documentation
• 🤖 Test

Test Plan

Logs while building using goreleaser:

$ goreleaser release --skip-publish --snapshot --rm-dist
   _ releasing using goreleaser 0.127.0...
   _ loading config file       file=.goreleaser.yml
   _ RUNNING BEFORE HOOKS     
      _ running go mod download  
   _ LOADING ENVIRONMENT VARIABLES
      _ pipe skipped              error=publishing is disabled
   _ GETTING AND VALIDATING GIT STATE
      _ releasing 0.43.0, commit 66afb247e9564a7a0d9100d88bb27668848a3b76
      _ pipe skipped              error=disabled during snapshot mode
   _ PARSING TAG              
   _ SETTING DEFAULTS         
      _ LOADING ENVIRONMENT VARIABLES
      _ SNAPSHOTING              
      _ GITHUB/GITLAB/GITEA RELEASES
      _ PROJECT NAME             
      _ BUILDING BINARIES        
      _ ARCHIVES                 
      _ LINUX PACKAGES WITH NFPM 
      _ SNAPCRAFT PACKAGES       
      _ CALCULATING CHECKSUMS    
      _ SIGNING ARTIFACTS        
      _ DOCKER IMAGES            
      _ ARTIFACTORY              
      _ BLOB                     
      _ HOMEBREW TAP FORMULA     
      _ SCOOP MANIFEST           
   _ SNAPSHOTING              
   _ CHECKING ./DIST          
      _ --rm-dist is set, cleaning it up
   _ WRITING EFFECTIVE CONFIG FILE
      _ writing                   config=dist/config.yaml
   _ GENERATING CHANGELOG     
      _ pipe skipped              error=not available for snapshots
   _ BUILDING BINARIES        
      _ building                  binary=/home/prasad/go-ws/src/github.com/kanisterio/kanister/dist/kanctl_linux_amd64/kanctl
      _ building                  binary=/home/prasad/go-ws/src/github.com/kanisterio/kanister/dist/kanctl_darwin_amd64/kanctl
      _ building                  binary=/home/prasad/go-ws/src/github.com/kanisterio/kanister/dist/kando_linux_amd64/kando
      _ building                  binary=/home/prasad/go-ws/src/github.com/kanisterio/kanister/dist/controller_linux_amd64/controller
   _ ARCHIVES                 
      _ creating                  archive=dist/kanister_0.43.0_darwin_amd64.tar.gz
      _ creating                  archive=dist/kanister_0.43.0_linux_amd64.tar.gz
   _ LINUX PACKAGES WITH NFPM 
   _ SNAPCRAFT PACKAGES       
   _ CALCULATING CHECKSUMS    
      _ checksumming              file=kanister_0.43.0_linux_amd64.tar.gz
      _ checksumming              file=kanister_0.43.0_darwin_amd64.tar.gz
   _ SIGNING ARTIFACTS        
      _ pipe skipped              error=artifact signing is disabled
   _ DOCKER IMAGES            
      _ building docker image     image=ghcr.io/kanisterio/kanister-kubectl:1.18
      _ building docker image     image=ghcr.io/kanisterio/foundationdb:6.2.20
      _ building docker image     image=ghcr.io/kanisterio/kanister-tools:0.43.0
      _ building docker image     image=ghcr.io/kanisterio/mysql-sidecar:0.43.0
      _ building docker image     image=ghcr.io/kanisterio/postgresql:0.43.0
      _ building docker image     image=ghcr.io/kanisterio/postgres-kanister-tools:0.43.0
      _ building docker image     image=ghcr.io/kanisterio/postgres-tools-9.6:0.43.0
      _ building docker image     image=ghcr.io/kanisterio/mongodb:0.43.0
      _ building docker image     image=ghcr.io/kanisterio/mongo-sidecar:0.43.0
      _ building docker image     image=ghcr.io/kanisterio/controller:0.43.0
      _ building docker image     image=ghcr.io/kanisterio/es-sidecar:0.43.0
      _ building docker image     image=ghcr.io/kanisterio/cassandra:0.43.0
      _ building docker image     image=ghcr.io/kanisterio/couchbase-tools:0.43.0
      _ pipe skipped              error=publishing is disabled
   _ PUBLISHING               
      _ pipe skipped              error=publishing is disabled
   _ release succeeded after 368.15s

• 💪 Manual
• ⚡ Unit test
• 💚 E2E

[viveksinghggits]

if we are releasing version x we wont get ghcr.io/kanisterio/kanister-tools:x already in the gcr right?

[viveksinghggits]

this might be a problem