chore: added workflow for handling answerable discussions

[khushail]

Issue #, if available:

Description of changes:

This workflow will handle the discussions (posted in answerable category) and take appropriate action.

Whenever a discussion is replied with keyword @github-actions proposed-answer, is considered for action by this workflow and based on the responses/reactions received, appropriate action is taken.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

Patch coverage: 81.15% and project coverage change: +0.19% :tada:

Comparison is base (b1ef77c) 82.04% compared to head (c2af91a) 82.23%. Report is 4 commits behind head on main.

:exclamation: Current head c2af91a differs from pull request most recent head 0e1fe5b. Consider uploading reports for the commit 0e1fe5b to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1044      +/-   ##
==========================================
+ Coverage   82.04%   82.23%   +0.19%     
==========================================
  Files          52       52              
  Lines        5659     5641      -18     
==========================================
- Hits         4643     4639       -4     
+ Misses       1016     1002      -14     

Files Changed	Coverage Δ
source/common.c	49.01% <ø> (ø)
source/encoding.c	74.78% <ø> (ø)
source/log_formatter.c	88.65% <ø> (ø)
source/logging.c	49.76% <ø> (ø)
source/memtrace.c	99.54% <ø> (ø)
source/posix/clock.c	90.00% <ø> (ø)
source/posix/system_info.c	20.88% <ø> (ø)
source/posix/thread.c	80.47% <ø> (ø)
source/process_common.c	87.87% <ø> (ø)
source/thread_shared.c	100.00% <ø> (ø)
... and 9 more

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