Add BoostingQuery and SimpleQueryString to protos (opensearch-project#376)

Signed-off-by: Karen X <karenxyr@gmail.com>

Author: karenyrx

CHANGELOG.md

@@ -4,6 +4,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## [Unreleased]
 ### Added
+- Add BoostingQuery and SimpleQueryString protos ([#376](https://github.com/opensearch-project/opensearch-protobufs/pull/376))
 
 ### Changed
 

tools/proto-convert/src/config/spec-filter.yaml

@@ -10,10 +10,8 @@ excluded_schemas:
   - Aggregate
   - Suggester
   - Suggest
-  - BoostingQuery
   - DisMaxQuery
   - QueryStringQuery
-  - SimpleQueryStringQuery
   - IntervalsQuery
   - ScriptScoreQuery
   - CommonTermsQuery