Sam/build ami local (supabase#1547)

* feature: run testinfra locally * chore: create way to run testinfra locally * feature: local ami dev tools * feat: retry * feat: run components of testinfra locally as distinct apps * test: local run of testinfra * test: specify ami and branch * feat: pin nixpkgs dep until ready to update * feat: use ref fo rbranch * test: push trigger * test: add premission block * test: aws creds * test: run on our arm runner * feat: no need to check aws-vault on run * test: running testinfra locally * chore: roll back inputs for now. change in a future pr * fix: dynamic port handling since it can collide with parallel test * feat: make sure ec2 instance terminates at end of run no matter how ended * docs: document usage * chore: remove as not needed after all * chore: newline

Author: samrose

.github/workflows/testinfra-nix.yml .github/workflows/testinfra-ami-build.yml.github/workflows/testinfra-nix.yml renamed to .github/workflows/testinfra-ami-build.yml

@@ -24,3 +24,4 @@ result*
 .vscode/
 
 db/schema.sql
+common-nix.vars.pkr.hcl