Update OC, accommodate gRPC changes. (#249)

* Update OC, accommodate gRPC changes.

 * (M) aft/oc.go
   - update generated code based on new gRIBI version.
 * (M) client/gribiclient_test.go
   - update code to accomodate not being able to embed nil unimplemented
     servers directly.
 * (M) go.{mod,sum}
   - update versions -- lemming is currently on a branch.
 * (M) server/server.go
   - accommodate gRPC changes when creating a fake server.

* Fix security issue in golang.org/x/net.

 * (M) go.{mod,sum}
   - Update revision per dependabot.

.github/workflows/go.yml

@@ -9,7 +9,9 @@ on:
 
 jobs:
   go:
-    uses: openconfig/common-ci/.github/workflows/basic_go.yml@c2294c3c86c90e75e58c24a40d6f7f3364bbae9d
+    uses: openconfig/common-ci/.github/workflows/basic_go.yml@487096953fb96b1b31e52fc629fa35e1aa82613c
     with:
       race-tests-excludes-regex: github.com/openconfig/gribigo/compliance
-      static-analysis-excludes-regex: github.com/openconfig/gribigo/aft
+      static-analysis-excludes-regex: github.com/openconfig/gribigo/aft
+      install-additional-apt-packages:  libpcap-dev libnl-genl-3-dev libnl-3-dev
+      coverage-excludes-regex: github.com/openconfig/gribigo/aft