SNOW-2267482 replacing SnowAPI calls with SQL calls (#3942)

Author: sfc-gh-mkeller

CHANGELOG.md

@@ -80,6 +80,7 @@
 #### Improvements
 
 - The default maximum length for inferred StringType columns during schema inference in `DataFrameReader.dbapi` is now increased from 16MB to 128MB in parquet file based ingestion.
+- Catalog API now uses SQL commands instead of SnowAPI calls. This new implementation is more reliable now.
 
 #### Dependency Updates