Update Issue and PR templates

[peternied]

Description

Reduce and clarify instructions on issues and pr templates

Testing

• See updated Issue template, link.
• See updated PR template, link.

Check List

• New functionality includes testing
• Public documentation issue/PR created, if applicable.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.65%. Comparing base (0a329c0) to head (448a9d0).
Report is 5 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1196      +/-   ##
============================================
+ Coverage     80.61%   80.65%   +0.03%     
+ Complexity     3080     3075       -5     
============================================
  Files           421      421              
  Lines         15598    15609      +11     
  Branches       1053     1053              
============================================
+ Hits          12575    12589      +14     
+ Misses         2380     2378       -2     
+ Partials        643      642       -1     

Flag	Coverage Δ
unittests	80.65% <ø> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.