feat: Upgrade to Calico v3.28.1 (#890)

**What problem does this PR solve?**:
Backport of #878. Upstream fixes include a performance regression with
Linux kernel 5.4.x.

Do not merge for now.

**Which issue(s) this PR fixes**:
Fixes #

**How Has This Been Tested?**:
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Author: dlipovetsky

charts/cluster-api-runtime-extensions-nutanix/templates/cni/calico/manifests/tigera-operator-configmap.yaml

@@ -49,7 +49,7 @@ data:
     RepositoryURL: {{ if .Values.selfHostedRegistry }}oci://helm-repository.{{ .Release.Namespace }}.svc/charts{{ else }}https://piraeus.io/helm-charts/{{ end }}
   tigera-operator: |
     ChartName: tigera-operator
-    ChartVersion: v3.28.0
+    ChartVersion: v3.28.1
     RepositoryURL: {{ if .Values.selfHostedRegistry }}oci://helm-repository.{{ .Release.Namespace }}.svc/charts{{ else }}https://docs.tigera.io/calico/charts{{ end }}
 kind: ConfigMap
 metadata:

charts/cluster-api-runtime-extensions-nutanix/templates/helm-config.yaml

@@ -60,4 +60,4 @@ repositories:
     repoURL: https://docs.tigera.io/calico/charts
     charts:
       tigera-operator:
-      - v3.28.0
+      - v3.28.1

hack/addons/mindthegap-helm-registry/repos.yaml

@@ -1,7 +1,7 @@
 # Copyright 2023 Nutanix. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
 
-export CALICO_VERSION := v3.28.0
+export CALICO_VERSION := v3.28.1
 export CILIUM_VERSION := 1.15.6
 export NODE_FEATURE_DISCOVERY_VERSION := 0.16.1
 export CLUSTER_AUTOSCALER_CHART_VERSION := 9.37.0