fix(nodeadm): Bump Go version to 1.25.7 (#2657)

Co-authored-by: Jun Peng <jupeng@amazon.com>

Author: junpengdev

nodeadm/go.mod

@@ -1,6 +1,6 @@
 module github.com/awslabs/amazon-eks-ami/nodeadm
 
-go 1.25.1
+go 1.25.7
 
 require (
 	dario.cat/mergo v1.0.2