Updated issue templates from .github.

[dblock]

Signed-off-by: dblock [email protected]

Description

Coming from opensearch-project/.github#64, updated issue templates for bugs and features.

Check List

• Commits are signed per the DCO using --signoff

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[codecov-commenter]

Codecov Report

Merging #324 (4731d59) into main (5150720) will increase coverage by 0.06%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main     opensearch-project/sql#324      +/-   ##
============================================
+ Coverage     76.67%   76.73%   +0.06%     
- Complexity     2044     2047       +3     
============================================
  Files           253      253              
  Lines         11636    11636              
  Branches       1807     1807              
============================================
+ Hits           8922     8929       +7     
+ Misses         1744     1739       -5     
+ Partials        970      968       -2     

Impacted Files	Coverage Δ
.../action/explain/TransportExplainTransformAction.kt	70.78% <0.00%> (-2.25%)	⬇️
.../opensearch/indexmanagement/rollup/model/Rollup.kt	86.04% <0.00%> (+0.46%)	⬆️
...nt/rollup/action/stop/TransportStopRollupAction.kt	77.64% <0.00%> (+1.17%)	⬆️
.../rollup/action/start/TransportStartRollupAction.kt	75.29% <0.00%> (+3.52%)	⬆️
...nt/indexstatemanagement/model/destination/Slack.kt	60.86% <0.00%> (+17.39%)	⬆️

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