Update docker.io/bitnami/kubectl Docker tag to v1.31.1

Signed-off-by: Renovate Bot <[email protected]>

Author: vshn-renovate

class/defaults.yml

@@ -130,4 +130,4 @@ parameters:
       kubectl:
         registry: docker.io
         image: bitnami/kubectl
-        tag: '1.30.5@sha256:c85f429088cea9ad968752e6d59e7edbc74b5750526f9a04531dce6b37f3ac87'
+        tag: '1.31.1@sha256:da4a9868e20d941636087cb8624a4bb441f5249d69e8f3d27e53c7d4d280a5f3'

tests/golden/egress-gateway/cilium/cilium/30_egress_ip_shadow_ranges.yaml

@@ -37,7 +37,7 @@ spec:
             - -c
             - 'trap : TERM INT; sleep infinity & wait'
           env: []
-          image: docker.io/bitnami/kubectl:1.30.5@sha256:c85f429088cea9ad968752e6d59e7edbc74b5750526f9a04531dce6b37f3ac87
+          image: docker.io/bitnami/kubectl:1.31.1@sha256:da4a9868e20d941636087cb8624a4bb441f5249d69e8f3d27e53c7d4d280a5f3
           imagePullPolicy: IfNotPresent
           name: sleep
           ports: []

tests/golden/olm-opensource/cilium/cilium/olm/99_cleanup.yaml

@@ -75,7 +75,7 @@ spec:
           env:
             - name: HOME
               value: /home
-          image: docker.io/bitnami/kubectl:1.30.5@sha256:c85f429088cea9ad968752e6d59e7edbc74b5750526f9a04531dce6b37f3ac87
+          image: docker.io/bitnami/kubectl:1.31.1@sha256:da4a9868e20d941636087cb8624a4bb441f5249d69e8f3d27e53c7d4d280a5f3
           imagePullPolicy: IfNotPresent
           name: cleanup-old-clusterserviceversions
           ports: []