update makefile to match the new version cilium

Signed-off-by: Mohamed Mahmoud <mmahmoud@redhat.com>

Makefile

@@ -35,7 +35,7 @@ OCI_BIN_PATH := $(shell which docker 2>/dev/null || which podman)
 OCI_BIN ?= $(shell basename ${OCI_BIN_PATH})
 
 LOCAL_GENERATOR_IMAGE ?= ebpf-generator:latest
-CILIUM_EBPF_VERSION := v0.14.0
+CILIUM_EBPF_VERSION := v0.15.0
 GOLANGCI_LINT_VERSION = v1.54.2
 GO_VERSION = "1.21.7"
 PROTOC_VERSION = "3.19.4"