Have master and release tag images match

[lmakarov]

With the current build/release process release tags are built separately (when a tag is published) from the master branch.

docksal/cli:<image-version>-php<php-version> != docksal/cli:php<php-version>

They should match.

This can be achieved by building tags from the latest stable versions instead if from scratch:

FROM docksal/cli:php<php-version>

[achekulaev]

You can just provide several tags during build

docker build -t whenry/fedora-jboss:latest -t whenry/fedora-jboss:v2.1 .

[lmakarov]

Branch and tags builds happen separately. Tags are built when a release tag is published on Github.

We could technically override the stable version tags when release tags are built and published, but that sounds like a waste of CI resources to me.