* MM-49703: Bump to Go 1.19
Also fix some gofmt issues
https://mattermost.atlassian.net/browse/MM-49703
* Bump versions in go.mod
* Update go.work as well
* Bump GolangCI to 1.50.1
* Upgraded to new builder image
- provides support for compiling Boards directly into the Mattermost suite server
- a ServicesAPI interface replaces the PluginAPI to allow for implementations coming from pluginAPI and suite server.
- a new product package provides a place to register Boards as a suite product and handles life-cycle events
- a new boards package replaces much of the mattermost-plugin logic, allowing this to be shared between plugin and product
- Boards now uses module workspaces; run make setup-go-work
* skeleton lifecycle
* bare minimum to satisfy mm-server import
* added boards_imports.go
* move boards_imports.go to correct package
* bump mmserver version; remove replace in go.mod; use module workspaces; remove logger service
* rename product.go --> boards.go
* add FileInfoStore and Cloud services for product; create minimal pluginAPI interfaces for all packages
* rename Boards -> BoardsProduct
* compile success
* remove hooks service; guard for nil BoardsApp
* update to latest mmserver ver
* upgrade mmserver to master tip
* upgrade mmserver to master tip
* bump plugin-api to master tip
* fix users service
* fix OnActivate crash; normalize AppError returns
* fileBackend interface for server/app
* feature flag
* bump mmserver version
* fix linter errors
* make go.work when linting
* fix go.work creation for CI
* add execute flag for script
* fix more linter errors
* always create a go.work
* fix ci go.work
* OS agnostic go.work generator
* fix path
* fix path again
* partially disable cypress test
* fix case Id --> ID
* bump mmserver version
* include in go.work for dev
* addressed review comments.
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
