[Backport 2.x] Add change log for IP2Geo processor PR

[opensearch-trigger-bot]

Backport 323dd1d from #365

[codecov]

Codecov Report

Merging #367 (74f93c3) into 2.x (64cd7b7) will increase coverage by 3.29%.
The diff coverage is 91.05%.

@@             Coverage Diff              @@
##                2.x     #367      +/-   ##
============================================
+ Coverage     85.17%   88.46%   +3.29%     
- Complexity      355      747     +392     
============================================
  Files            52       91      +39     
  Lines          1160     2697    +1537     
  Branches         98      215     +117     
============================================
+ Hits            988     2386    +1398     
- Misses          133      232      +99     
- Partials         39       79      +40     

Files Changed	Coverage Δ
.../opensearch/geospatial/constants/IndexSetting.java	0.00% <0.00%> (ø)
...va/org/opensearch/geospatial/shared/Constants.java	50.00% <50.00%> (ø)
...ch/geospatial/ip2geo/common/Ip2GeoLockService.java	72.72% <72.72%> (ø)
...earch/geospatial/ip2geo/common/Ip2GeoExecutor.java	80.00% <80.00%> (ø)
...rch/geospatial/ip2geo/listener/Ip2GeoListener.java	81.57% <81.57%> (ø)
...search/geospatial/shared/StashedThreadContext.java	83.33% <83.33%> (ø)
...ospatial/ip2geo/jobscheduler/DatasourceRunner.java	83.58% <83.58%> (ø)
...pensearch/geospatial/ip2geo/dao/DatasourceDao.java	85.89% <85.89%> (ø)
...ip2geo/action/DeleteDatasourceTransportAction.java	86.66% <86.66%> (ø)
...opensearch/geospatial/ip2geo/dao/GeoIpDataDao.java	87.30% <87.30%> (ø)
... and 30 more

... and 2 files with indirect coverage changes