adding an action to tag and auto close issues and PRs if stale

[darrenvechain]

Description

These changes mark issues and PRs with a stale tag and auto closes them 7 days later if not action is taken.

Fixes # (issue)

N/A

Please delete options that are not relevant.

• This change requires a documentation update

How Has This Been Tested?

N/A

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• My changes generate no new warnings
• New and existing unit tests pass locally with my changes
• New and existing E2E tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have not added any vulnerable dependencies to my code

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (55e5dce) 54.73% compared to head (4d0b344) 54.73%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #642   +/-   ##
=======================================
  Coverage   54.73%   54.73%           
=======================================
  Files         179      179           
  Lines       20665    20665           
=======================================
  Hits        11311    11311           
  Misses       8522     8522           
  Partials      832      832           

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