prodvider: use SANs in service certificates

This fixes compatibility with prodaccess tools built with Go 1.15, which
introduced 'X.509 CommonName deprecation' [1].

[1] - https://golang.org/doc/go1.15#commonname

Change-Id: I228cde3e5651a3e36f527783f2ccb4a2f6b7a8e3
diff --git a/cluster/kube/lib/prodvider.libsonnet b/cluster/kube/lib/prodvider.libsonnet
index 8eaa834..a4cb438 100644
--- a/cluster/kube/lib/prodvider.libsonnet
+++ b/cluster/kube/lib/prodvider.libsonnet
@@ -9,7 +9,7 @@
 
         cfg:: {
             namespace: "prodvider",
-            image: "registry.k0.hswaw.net/q3k/prodvider:1596298570-f3312ef77ed0db94e20944efc6395750072f54d5",
+            image: "registry.k0.hswaw.net/q3k/prodvider:1601735780-d6c072a90e70b467a77039daebe602c77b4a84a1",
 
             apiEndpoint: error "API endpoint must be set",