build(deps): Update K8s dependencies to v1.31 (#189)

Also update E2E config values to target Kubernetes v1.31 in new CI env

devbox.json

@@ -2,14 +2,15 @@
   "packages": [
     "bash@latest",
     "coreutils@latest",
-    "envsubst@1.4.2",
+    "clusterctl@latest",
+    "envsubst@latest",
     "fping@latest",
-    "gnumake@4.4.1",
-    "ginkgo@2.19.0",
-    "go@1.22.2",
-    "gotestsum@1.6.4",
-    "kind@0.22.0",
-    "ko@0.15.2",
+    "gnumake@latest",
+    "ginkgo@latest",
+    "go@latest",
+    "gotestsum@latest",
+    "kind@latest",
+    "ko@latest",
     "kubectl@latest",
     "path:./hack/flakes#go-mod-upgrade",
     "path:./hack/flakes#go-junit-report",