* Add a new db engine
* Add tests for new engine
* Update tsh db subcommands
* Refactor error message and suggestions for unsupported tsh commands
* Add dynamodb to test plan
* Add AWS external ID to db config and update protos
* Update api/types/fuzz_test.go
* do not fail if the file is missing
* missing go-118-fuzz-build fix
Co-authored-by: Zac Bergquist <zac.bergquist@goteleport.com>