feat: support deployment labels from values (#631)

* feat: support deployment labels from values

* add feature to changelog

Author: s-radyuk

docs/changelog.rst

@@ -1,5 +1,6 @@
 CHANGELOG
 =====================================
+| April 7, 2022: feat: Support adding deployment labels from values `#631 <https://github.com/mergeability/mergeable/pull/631>`_
 | March 22, 2022: fix: pass comment instance to removeErrorComments `#626 <https://github.com/mergeability/mergeable/pull/626>`_
 | February 24, 2022: fix: correct indentation on documentation `#623 <https://github.com/mergeability/mergeable/pull/623>`_
 | February 8, 2022: feat: Allow all option on must_include and must_include inside changeset validator `#611 <https://github.com/mergeability/mergeable/pull/611>`_

helm/mergeable/templates/deployment.yaml

@@ -18,6 +18,9 @@ spec:
         {{- toYaml . | nindent 8 }}
     {{- end }}
       labels:
+        {{- if .Values.labels -}}
+        {{ toYaml .Values.labels | nindent 8 }}
+        {{- end -}}
         {{- include "mergeable.selectorLabels" . | nindent 8 }}
     spec:
       {{- with .Values.imagePullSecrets }}