Add RuleCollection.load_git_branch (elastic#1403)

Add RuleCollection.load_git_branch (elastic#1403)

Update Host Risk Score docs (elastic#1397)

Update the version lock for 7.14.0 and 0.13.3 (elastic#1383)

(cherry picked from commit 5eccaf0)

[CI] Fix kibana PR command again (elastic#1386)

(cherry picked from commit 92937a1)

Bump the Fleet package version

Add min_stack_version to 7.14+ only rules (elastic#1321)

Lock versions for 0.13.1 package

Refactor experimental ML CLI and code (elastic#1218)

* move github and ml to their own files
* refactor release and ml commands
* update ML readmes
* add unzip_to_dict function
* prompt for model ID in remove-model
* update experimental rule upload process
* update remove-scripts-pipelines to take multiple options

Co-authored-by: Ross Wolf <31489089+rw-access@users.noreply.github.com>
Co-authored-by: Apoorva <appujo@gmail.com>

Refactor experimental ML CLI and code (elastic#1218)

* move github and ml to their own files
* refactor release and ml commands
* update ML readmes
* add unzip_to_dict function
* prompt for model ID in remove-model
* update experimental rule upload process
* update remove-scripts-pipelines to take multiple options

Co-authored-by: Ross Wolf <31489089+rw-access@users.noreply.github.com>
Co-authored-by: Apoorva <appujo@gmail.com>