ci: bump Go 1.25.5

Signed-off-by: Austin Vazquez <austin.vazquez@docker.com>

Author: austinvazquez

.github/.tool-versions

@@ -1,2 +1,2 @@
-go 1.25.1
+go 1.25.5
 kernel 6.12.46

Dockerfile

@@ -18,7 +18,7 @@
 # Build the Linux kernel, initrd ,and containerd shim for running nerbox
 
 ARG XX_VERSION=1.9.0
-ARG GO_VERSION=1.25.1
+ARG GO_VERSION=1.25.5
 ARG BASE_DEBIAN_DISTRO="bookworm"
 ARG GOLANG_IMAGE="golang:${GO_VERSION}-${BASE_DEBIAN_DISTRO}"
 ARG GOLANGCI_LINT_VERSION=2.7.2

go.mod

@@ -2,8 +2,6 @@ module github.com/containerd/nerdbox
 
 go 1.24.3
 
-toolchain go1.24.4
-
 require (
 	github.com/containerd/cgroups/v3 v3.1.2
 	github.com/containerd/console v1.0.5