Update docker.io/bitnami/kubectl Docker tag to v1.28.8

Signed-off-by: Renovate Bot <tech+renovate@vshn.ch>

Author: vshn-renovate

class/defaults.yml

@@ -236,7 +236,7 @@ parameters:
       kubectl:
         registry: docker.io
         image: bitnami/kubectl
-        tag: '1.28.4@sha256:6485a923f6f4ff3d42d871ce5bd45ee8f25a303c44972a4ad31ddd895082fc22'
+        tag: '1.28.8@sha256:3a99c05bb324f817599ee2508c156253abcefa521c4ce072ef167c4b5c5d69be'
 
     charts:
       # We do not support helm chart versions older than v1.7.0

tests/golden/cephfs/rook-ceph/rook-ceph/50_restart_holder_ds.yaml

@@ -141,7 +141,7 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: spec.nodeName
-          image: docker.io/bitnami/kubectl:1.28.4@sha256:6485a923f6f4ff3d42d871ce5bd45ee8f25a303c44972a4ad31ddd895082fc22
+          image: docker.io/bitnami/kubectl:1.28.8@sha256:3a99c05bb324f817599ee2508c156253abcefa521c4ce072ef167c4b5c5d69be
           imagePullPolicy: IfNotPresent
           name: update
           ports: []

tests/golden/cephfs/rook-ceph/rook-ceph/99_cleanup.yaml

@@ -86,7 +86,7 @@ spec:
           env:
             - name: HOME
               value: /home
-          image: docker.io/bitnami/kubectl:1.28.4@sha256:6485a923f6f4ff3d42d871ce5bd45ee8f25a303c44972a4ad31ddd895082fc22
+          image: docker.io/bitnami/kubectl:1.28.8@sha256:3a99c05bb324f817599ee2508c156253abcefa521c4ce072ef167c4b5c5d69be
           imagePullPolicy: IfNotPresent
           name: cleanup-alertrules
           ports: []

tests/golden/defaults/rook-ceph/rook-ceph/50_restart_holder_ds.yaml

@@ -141,7 +141,7 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: spec.nodeName
-          image: docker.io/bitnami/kubectl:1.28.4@sha256:6485a923f6f4ff3d42d871ce5bd45ee8f25a303c44972a4ad31ddd895082fc22
+          image: docker.io/bitnami/kubectl:1.28.8@sha256:3a99c05bb324f817599ee2508c156253abcefa521c4ce072ef167c4b5c5d69be
           imagePullPolicy: IfNotPresent
           name: update
           ports: []

tests/golden/defaults/rook-ceph/rook-ceph/99_cleanup.yaml

@@ -86,7 +86,7 @@ spec:
           env:
             - name: HOME
               value: /home
-          image: docker.io/bitnami/kubectl:1.28.4@sha256:6485a923f6f4ff3d42d871ce5bd45ee8f25a303c44972a4ad31ddd895082fc22
+          image: docker.io/bitnami/kubectl:1.28.8@sha256:3a99c05bb324f817599ee2508c156253abcefa521c4ce072ef167c4b5c5d69be
           imagePullPolicy: IfNotPresent
           name: cleanup-alertrules
           ports: []

tests/golden/openshift4/rook-ceph/rook-ceph/50_restart_holder_ds.yaml

@@ -141,7 +141,7 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: spec.nodeName
-          image: docker.io/bitnami/kubectl:1.28.4@sha256:6485a923f6f4ff3d42d871ce5bd45ee8f25a303c44972a4ad31ddd895082fc22
+          image: docker.io/bitnami/kubectl:1.28.8@sha256:3a99c05bb324f817599ee2508c156253abcefa521c4ce072ef167c4b5c5d69be
           imagePullPolicy: IfNotPresent
           name: update
           ports: []

tests/golden/openshift4/rook-ceph/rook-ceph/99_cleanup.yaml

@@ -86,7 +86,7 @@ spec:
           env:
             - name: HOME
               value: /home
-          image: docker.io/bitnami/kubectl:1.28.4@sha256:6485a923f6f4ff3d42d871ce5bd45ee8f25a303c44972a4ad31ddd895082fc22
+          image: docker.io/bitnami/kubectl:1.28.8@sha256:3a99c05bb324f817599ee2508c156253abcefa521c4ce072ef167c4b5c5d69be
           imagePullPolicy: IfNotPresent
           name: cleanup-alertrules
           ports: []