chore(deps): update pomerium/ingress-controller docker tag to v0.28.0

Author: public-glueops-renovatebot[bot]

pomerium-ingress-controller-patch.yaml

@@ -8,7 +8,7 @@ spec:
       containers:
         - name: pomerium
           imagePullPolicy: IfNotPresent
-          image: pomerium/ingress-controller:v0.27.2@sha256:ffdfd3be0f37ea1c04ba8ec46d215f7ff7ddd22d0b30a950a17256eaac1dd982
+          image: pomerium/ingress-controller:v0.28.0@sha256:814b2648bb70ad235639f0c0500b479d30bb13e7408a715d641fd14e8685dfbf
           resources:
             limits:
               cpu: 5