Bun Test Coverage

[KAnggara75]

Consider when following is resolved:

• Report test coverage of statements and branches oven-sh/bun#7100
• Coverage - provide a way to exclude lines or branches from coverage oven-sh/bun#7662
• Implement an lcov coverage reporter for bun test oven-sh/bun#4015

[ProgrammerMode]

Related to bun config file in https://github.com/IDScript/BunAPI/blob/main/bunfig.toml