Bump required Go version to 1.24.2 to avoid CVE-2025-22871

It has been reported that stlib is having a CVE b

Bump inspired by
b1000ba5d7
and following [go directive](https://go.dev/ref/mod#go-mod-file-go).

Close https://github.com/helm/helm/issues/30792

Signed-off-by: Benoit Tigeot <benoit.tigeot@lifen.fr>

.github/env

@@ -1,2 +1,2 @@
-GOLANG_VERSION=1.24
+GOLANG_VERSION=1.24.2
 GOLANGCI_LINT_VERSION=v1.64

go.mod

@@ -1,6 +1,6 @@
 module helm.sh/helm/v3
 
-go 1.24
+go 1.24.2
 
 require (
 	github.com/AdaLogics/go-fuzz-headers v0.0.0-20230811130428-ced1acdcaa24