Migrates away from gulp to ng-dev for running our formatter.
Additionally, provides a deprecation warning for any attempted
usage of the previous `gulp format:*` tasks.
PR Close#36726
Previously we used gulp to run our formatter, currently clang-format,
across our repository. This new tool within ng-dev allows us to
migrate away from our gulp based solution as our gulp solution had
issue with memory pressure and would cause OOM errors with too large
of change sets.
PR Close#36726
Enforces a requirement that all PR commit messages contain a body
of at least 100 characters. This is meant to encourage commits
within the repo to be more descriptive of each change.
PR Close#36632
Joey Perrott