Fix issue regarding volume added in #710 (#750)

Signed-off-by: Renaud Subiger <[email protected]>

Author: subigre

manifests/base/deployment/argocd-image-updater-deployment.yaml

@@ -160,6 +160,6 @@ spec:
       - name: ssh-signing-key
         secret:
           secretName: ssh-git-creds
-        optional: true
+          optional: true
       - emptyDir: {}
         name: tmp

manifests/install.yaml

@@ -241,8 +241,8 @@ spec:
           optional: true
         name: ssh-config
       - name: ssh-signing-key
-        optional: true
         secret:
+          optional: true
           secretName: ssh-git-creds
       - emptyDir: {}
         name: tmp