chore(deps): downgrade Go version to 1.23.4

Change the Go module version requirement from 1.24.2 to 1.23.4 to
ensure better compatibility with existing environments and toolchains
that might not support the newer Go version yet.

Author: nametake

go.mod

@@ -1,6 +1,6 @@
 module github.com/nametake/golangci-lint-langserver
 
-go 1.24.2
+go 1.23.4
 
 require github.com/sourcegraph/jsonrpc2 v0.2.0