fix repro tests (bazelbuild#1379)

update rules scala to pick up maven to https change (bazelbuild#1375)

* update rules scala to pick up maven to https change

* also update maven in this repo in this same PR

Update dependency bazel_toolchains to v1.2.4 (bazelbuild#1320)

Fix pip in py3_image (bazelbuild#1244)

Final fixes for mac using toolchains properly in py_binary target wit…

…h bazel head (bazelbuild#1191)

* fixing rules_docker with bazel head

* test with buildkite using last_green

* test with a different mac target

* buildify

* undo changes to presubmit

fix rules_docker with bazel head (bazelbuild#1182)

* fix rules_docker with bazel head

* fix on mac

Update dependency in_gopkg_yaml_v2 to v2 (bazelbuild#1172)

Implement Get function for struct of type Value (bazelbuild#1147)

Update go-containerregistry that reverts API breaking change (bazelbu…

…ild#1137)

* Update go-containerregistry that reverts API breaking change

* Change function name

Move basic image repro tests to GCB (bazelbuild#1040)