add CHANGES entry for EXPLAIN ANALYZE feature
add CHANGES entry for EXPLAIN ANALYZE feature

that has been introduced with e032a9341e22d1fc0dbde6ff036a9f759f7c6b10

crate/crate,crate/crate,crate/crate,EvilMcJerkface/crate,EvilMcJerkface/crate,EvilMcJerkface/crate