fix: update kind image for e2e tests and minor fix

This patch performs the following changes:

1. Bump the default image version for e2e tests to v1.29.2. Current
image doesn't work with kind v0.22.0.
2. Delete an excessive whitespace from the Makefile.

Signed-off-by: Oleh Neichev <oleg.neichev@gmail.com>

Makefile

@@ -423,7 +423,7 @@ docs:
 kind:
 	./contrib/localdev/bootstrap-kind-cluster.sh
 
-.PHONY: kind-install-tetragon 
+.PHONY: kind-install-tetragon
 kind-install-tetragon:
 	./contrib/localdev/install-tetragon.sh --image cilium/tetragon:latest --operator cilium/tetragon-operator:latest
 

tests/e2e/helpers/cluster.go

@@ -47,7 +47,7 @@ var (
 
 func init() {
 	flag.StringVar(&clusterName, "cluster-name", "tetragon-ci", "Set the name of the k8s cluster being used")
-	flag.StringVar(&clusterImage, "cluster-image", "kindest/node:v1.24.7", "Set the node image for the kind cluster")
+	flag.StringVar(&clusterImage, "cluster-image", "kindest/node:v1.29.2", "Set the node image for the kind cluster")
 }
 
 // GetClusterName fetches the cluster name configured with -cluster-name or the temporary