[stable/ambassador] Fix ambassador-pro deployment (#15406)

remove extra dash.

Signed-off-by: Ben Pehling <shinjipehling@gmail.com>

stable/ambassador/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: 0.72.0
 description: A Helm chart for Datawire Ambassador
 name: ambassador
-version: 2.12.2
+version: 2.12.3
 icon: https://www.getambassador.io/images/logo.png
 home: https://www.getambassador.io/
 sources:

stable/ambassador/templates/deployment.yaml

@@ -193,7 +193,7 @@ spec:
             valueFrom:
               fieldRef:
                 fieldPath: metadata.namespace
-          {{- end -}}
+          {{- end }}
           - name: AMBASSADOR_LICENSE_KEY
           {{- if .Values.pro.licenseKey.secret }}
             valueFrom: