Remove allowPrivilegeEscalation from metrics-server (kubernetes-sigs#…

…8014) (kubernetes-sigs#8025)

"allowPrivilegeEscalation: false" blocks deploying metrics-server
on CentOS7. In addition, the original metrics-server manifest doesn't
contain it as [1]. This removes it.

[1]: https://github.com/kubernetes-sigs/metrics-server/blob/527679e5e8a103919c935d0575c20741796bc25d/manifests/base/deployment.yaml

roles/kubernetes-apps/metrics_server/templates/metrics-server-deployment.yaml.j2

@@ -67,6 +67,12 @@ spec:
           failureThreshold: 3
           initialDelaySeconds: 40
         securityContext:
+<<<<<<< HEAD
+=======
+          capabilities:
+            drop: ["all"]
+            add: ["NET_BIND_SERVICE"]
+>>>>>>> 6cfa3bbb (Remove allowPrivilegeEscalation from metrics-server (#8014) (#8025))
           readOnlyRootFilesystem: true
           runAsGroup: 10001
           runAsNonRoot: true