dictionary: add iprove with variants

Signed-off-by: Maciej Pijanowski <maciej.pijanowski@3mdeb.com>

Author: macpijan

codespell_lib/data/dictionary.txt

@@ -32022,6 +32022,10 @@ ipmrovement->improvement
 ipmrovements->improvements
 ipmroves->improves
 ipmroving->improving
+iprove->improve, I prove,
+iproved->improved, I proved,
+iproves->improves
+iproving->improving
 iput->input
 iputs->inputs
 ireelevant->irrelevant