AuthProxy: Support Regexps when checking if path requires auth

Change-Id: I3bc6d3143cef46b711bb3ccc7e2cb1ee8c59313f
diff --git a/charts/auth-proxy/templates/install.yaml b/charts/auth-proxy/templates/install.yaml
index 2ce79bc..9843d60 100644
--- a/charts/auth-proxy/templates/install.yaml
+++ b/charts/auth-proxy/templates/install.yaml
@@ -45,4 +45,4 @@
         - --membership-public-addr={{ .Values.membershipPublicAddr }}
         - --groups={{ .Values.groups }}
         - --upstream={{ .Values.upstream }}
-        - --no-auth-path-prefixes={{ .Values.noAuthPathPrefixes }}
+        - --no-auth-path-patterns={{ .Values.noAuthPathPatterns }}