read go version from go.mod

.mise.toml

@@ -1,6 +1,6 @@
 [tools]
+go = "latest" # Will read version from go.mod.
 pulumi = "3.128.0"
-go = "1.21.7"
 node = "22"
 dotnet = "6"
 python = "3.11.9"
@@ -9,10 +9,12 @@ gradle = "7.6"
 "go:github.com/golangci/golangci-lint/cmd/golangci-lint" = "1.58.1"
 "go:github.com/pulumi/schema-tools" = "v0.6.0"
 "go:github.com/gotesttools/gotestfmt/v2/cmd/gotestfmt" = "v2.5.0"
+"go:github.com/pulumi/pulumictl/cmd/pulumictl" = "blampe/replace"
 
 [env]
 # TODO(https://github.com/jdx/mise/issues/1898): create = true
 _.python.venv = { path = "venv", create = false }
+CGO_ENABLED = "0"
 
 [settings]
 experimental = true    # Enable Go backend.