If release-tag-suffix is passed release tag won't be pushed

[pascalberger]

Assuming the following parameters:

• default-latest-tag: true
• additional-latest-tag-name: latest-net7
• default-unstable-tag: true
• additional-unstable-tag-name: unstable-net7
• release-tag-suffix: net7

The following tags are created for a release:

• swissgrc/azure-pipelines-azurecli:2.49.0-net7
• swissgrc/azure-pipelines-azurecli:latest-net7
• swissgrc/azure-pipelines-azurecli:latest

It should additionally create the 2.49.0 tag as defined in #60