Update PR Templates

[alexdaniel654]

Proposed changes

Updated the existing PR template and added a new one for new releases

Checklists

• I have read and followed the CONTRIBUTING document
• This pull request is from and to the dev branch
• I have added tests that demonstrate the feature/fix works
• I have added necessary documentation (if appropriate)
• I have updated documentation which becomes obsolete after my changes (if appropriate)
• I have added/updated a notebook to demonstrate the changes (if appropriate)
• Files added follow the repository structure (if appropriate)

[codecov]

Codecov Report

Merging #211 (0638c8b) into dev (76b3ee0) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev     #211   +/-   ##
=======================================
  Coverage   97.79%   97.79%           
=======================================
  Files          47       47           
  Lines        3892     3892           
=======================================
  Hits         3806     3806           
  Misses         86       86           

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