Add mise.toml (#3160)

Adds a simple mise.toml file. I think this is all that is needed for the
bridge?

The main motivation for me is most of the provider repos are still on
golangci-lint v1

Author: corymhall

mise.toml

@@ -0,0 +1,7 @@
+[tools]
+# Runtimes
+go = '1.23'
+# Executable tools
+golangci-lint = '2'
+pulumi = "{{ exec(command='go list -m -f={{.Version}} github.com/pulumi/pulumi/sdk/v3') | trim | replace(from='v', to='') }}"
+terraform = 'latest'