chore(deps): update kindest/node docker tag to v1.30.4 (#6411)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/test_dependencies.yaml

@@ -1,7 +1,7 @@
 e2e:
   kind:
     # renovate: datasource=docker depName=kindest/node versioning=docker
-    - 'v1.30.3'
+    - 'v1.30.4'
     # renovate: datasource=docker depName=kindest/node@only-patch packageName=kindest/node versioning=docker
     - 'v1.28.9'
     # renovate: datasource=docker depName=kindest/node@only-patch packageName=kindest/node versioning=docker
@@ -18,7 +18,7 @@ e2e:
   # used directly in the test matrix `include` section.
   istio:
     - # renovate: datasource=docker depName=kindest/node versioning=docker
-      kind: 'v1.30.3'
+      kind: 'v1.30.4'
       # renovate: datasource=docker depName=istio/istioctl versioning=docker
       istio: '1.22.3'
     - # renovate: datasource=docker depName=kindest/node@only-patch versioning=docker
@@ -46,7 +46,7 @@ integration:
     # renovate: datasource=helm depName=kong registryUrl=https://charts.konghq.com versioning=helm
     kong: '2.40.0'
   # renovate: datasource=docker depName=kindest/node versioning=docker
-  kind: 'v1.30.3'
+  kind: 'v1.30.4'
   # renovate: datasource=docker depName=kong versioning=docker
   kong-oss: '3.7.1'
   # renovate: datasource=docker depName=kong/kong-gateway versioning=docker