add xtigyro as maintainer for kube-prometheus-stack (#73)

Signed-off-by: Miroslav Hadzhiev <miroslav.hadzhiev@gmail.com>

.github/CODEOWNERS

@@ -6,7 +6,7 @@
 # Unless a later match takes precedence, they will be requested for review when someone opens a pull request.
 * @prometheus-community/helm-charts-admins
 
-/charts/kube-prometheus-stack/ @vsliouniaev @bismarck @gianrubio @gkarthiks @scottrigby
+/charts/kube-prometheus-stack/ @vsliouniaev @bismarck @gianrubio @gkarthiks @scottrigby @Xtigyro
 /charts/prometheus/ @gianrubio @zanhsieh @Xtigyro @monotek @naseemkullah
 /charts/prometheus-adapter/ @mattiasgees @steven-sheehy @hectorj2f
 /charts/prometheus-blackbox-exporter/ @desaintmartin @gianrubio @monotek @rsotnychenko

charts/kube-prometheus-stack/Chart.yaml

@@ -11,11 +11,13 @@ maintainers:
     email: github.gkarthiks@gmail.com
   - name: scottrigby
     email: scott@r6by.com
+  - name: Xtigyro
+    email: miroslav.hadzhiev@gmail.com
 name: kube-prometheus-stack
 sources:
   - https://github.com/prometheus-operator/kube-prometheus
   - https://github.com/prometheus-operator/prometheus-operator
-version: 9.3.3
+version: 9.3.4
 appVersion: 0.38.1
 tillerVersion: ">=2.12.0"
 home: https://github.com/prometheus-operator/kube-prometheus