Add local-run command

Changelog for 0.15.6:

• PR #949 chore: ensure we always ignore the .secrets folder by @LucasRoesler
• PR #946 feat: add run command for local testing by @LucasRoesler
• PR #948 Fix registry-login command for ecr by @welteki

Commits
fea2bf5 Update publish.yaml by @alexellis
5900fe4 chore: ensure we always ignore the .secrets folder by @LucasRoesler
da9beb6 Tell users to turn on experimental to use local-run by @alexellis
13d615b Mentin that auth moved to the pro plugin by @alexellis
90820b2 Require experimental flag for use by @alexellis
6ada4ad feat: add run command for local testing by @LucasRoesler
ebad384 Update publish.yaml by @alexellis
fa889b2 Fix docker login in publish actions by @alexellis
b2d4f17 Fix publish job by @alexellis
1be815b Fix registry-login command for ecr by @welteki
fe4fdc7 Rename error variables by @alexellis
37d4f05 Provide validation for ecr flag in registry-login command by @alexellis

Changes: 0.15.5...0.15.6

Generated by Derek