docs: fix api convention concurrency control and consistency part typo

Signed-off-by: AhmedGrati <[email protected]>

Author: TessaIO

contributors/devel/sig-architecture/api-conventions.md

@@ -969,7 +969,7 @@ Kubernetes leverages the concept of *resource versions* to achieve optimistic
 concurrency. All Kubernetes resources have a "resourceVersion" field as part of
 their metadata. This resourceVersion is a string that identifies the internal
 version of an object that can be used by clients to determine when objects have
-changed. When a record is about to be updated, it's version is checked against a
+changed. When a record is about to be updated, its version is checked against a
 pre-saved value, and if it doesn't match, the update fails with a StatusConflict
 (HTTP status code 409).