Added okgolove as a maintainer for sentry chart (#13872)

Signed-off-by: Mikhail Naletov <okgolove@markeloff.net>

stable/sentry/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: Sentry is a cross-platform crash reporting and aggregation platform.
 name: sentry
-version: 1.3.4
+version: 1.3.5
 appVersion: 9.0
 keywords:
   - debugging
@@ -13,3 +13,5 @@ icon: https://sentry.io/_static/getsentry/images/branding/png/sentry-glyph-black
 maintainers:
   - name: rothgar
     email: justin@linux.com
+  - name: okgolove
+    email: okgolove@markeloff.net

stable/sentry/OWNERS

@@ -0,0 +1,4 @@
+approvers:
+- okgolove 
+reviewers:
+- okgolove