Add a CHANGELOG entry for #389

Pull-request: #389

Signed-off-by: William Desportes <williamdes@wdes.fr>

Author: williamdes

CHANGELOG.md

@@ -12,6 +12,7 @@
 * Support `ALTER` queries of `PARTITIONS` (#329)
 * Fixed differentiating between `ANALYZE` and `EXPLAIN` statements (#386)
 * Added "NOT" to the select options (#374)
+* Implement the `EXPLAIN` Parser (#389)
 
 ## [5.5.0] - 2021-12-08