* chore: rename "InsertOrUpdate" to Upsert around the codebase
The shorter name uses up less line width, is easier to read
and is used more often.
* make gen
- Introduces rbac.ResourceSystem
- Grants system.* to system and provisionerd rbac subjects
- Updates dbauthz system queries where applicable
- coderd: Avoid index out of bounds in api.workspaceBuilds
- dbauthz: move GetUsersByIDs out of system, modify RBAC check to ResourceUser
- workspaceapps: Add test case for when owner of app is not found
