Add metadata action to jib push / Merge build+push

[DerTiedemann]

• platform
• platform
• platform
• platform
• platform
• platform
• platform
• mullti
• mullti
• mullti
• mullti
• mullti
• mullti
• mullti
• work
• work
• retreat
• test-new-jib
• revert
• registry
• registry
• registry
• tags
• tags
• tags
• tags
• tags
• tags
• tags
• tags
• tags
• tags
• tags
• tags
• removesuffix
• build-push-jib
• image-name
• test
• test
• test
• test
• test
• feat: add auto tagging with metadata action && refactor to account for #175 changes
• debug: lets see if this works
• fix: remove wrong docker metadata type
• fix: add readd correct branch config
• fix: gh action cannot propery deal with strings lol
• impl: add action preprocess
• debug: add debug output
• fix: sneaky echo missing
• test: use docker action to generate full tags
• fix: plumbing done i think
• fix: idk proper ident or sth?
• debug: add some debug stuff
• fix: remove debugging
• fix: add more robust image name
• fix: use termuin java distribution cuz base image need mp
• bump: use bumped java grade action
• fix: broken step reference
• fix: comments breaks script
• fix: more sed magic
• debug: add debug output to jib call
• fix: add brackets around the username and password
• debug: try different quotes :O
• debug: maybe without the escape
• debug: try double quotes
• fix: assume that jib is logged in