go.mod: update to go 1.22.1 (#743)
Our CI pipeline uses apline:edge which now ship with 1.22. I noticed
that matchree_test.go doesn't pass anymore. There seem to have been
changes in regex package which we catch in our tests.
test plan:
go test ./... and CI
Co-authored-by: Keegan Carruthers-Smith <keegan.csmith@gmail.com>