`go get` not working. "cannot find module providing package `go.lsp.dev/pkg/event/label` and `tag`"

[kirides]

> go get -u go.lsp.dev/jsonrpc2       
go.lsp.dev/jsonrpc2 imports
        go.lsp.dev/pkg/event/label: cannot find module providing package go.lsp.dev/pkg/event/label
go.lsp.dev/jsonrpc2 imports
        go.lsp.dev/pkg/event/tag: cannot find module providing package go.lsp.dev/pkg/event/tag