[stable/velero] Add VELERO_NAMESPACE env variable (#16517)

* Add VELERO_NAMESPACE env variable

This environment variable was added to Velero in
https://github.com/heptio/velero/pull/1748 and will be required for
v1.1.0

Signed-off-by: Nolan Brubaker <brubakern@vmware.com>

* Move namespace variable out of conditional

Signed-off-by: Nolan Brubaker <brubakern@vmware.com>

stable/velero/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: 1.0.0
 description: A Helm chart for velero
 name: velero
-version: 2.1.1
+version: 2.1.2
 home: https://github.com/heptio/velero
 icon: https://cdn-images-1.medium.com/max/1600/1*-9mb3AKnKdcL_QD3CMnthQ.png
 sources:

stable/velero/templates/deployment.yaml

@@ -92,6 +92,11 @@ spec:
             - name: VELERO_SCRATCH_DIR
               value: /scratch
           {{- end }}
+            - name: VELERO_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  apiVersion: v1
+                  fieldPath: metadata.namespace
           {{- with .Values.configuration.extraEnvVars }}
           {{- range $key, $value := . }}
             - name: {{ default "none" $key }}