Add NetBSD debug tests and fix errors

[well-mannered-goat]

Your checklist for this pull request

• [x] I've read the guidelines for contributing to this repository.
• [x] I made sure to follow the project's coding style.
• [ ] I've documented every RZ_API function and struct this PR changes.
• [x] I've added tests that prove my changes are effective (required for changes to RZ_API).
• [ ] I've updated the Rizin book with the relevant information (if needed).

Detailed description

• Added netbsd x86_64 register profile so that the registers are assigned correct values and hence the core->offset, this would show the correct address in the rizin prompt instead of 0x000 for netbsd in debugger mode.
• Fixed native_wait function in netbsd.c to use the correct reason instead of assigning RZ_DEBUG_REASON_TRAP and correctly show prompt if process is exited.
• The netbsd attach function just ignored if the ptrace failed (which it would because the debugee is attached from fork and trace), so instead added proper error handling.
• added some netbsd tests, used the binary files that xvilka had pushed in rizin-testbins earlier.

Test plan

rz-test test/db/archos/netbsd-x64 CI is green

Closing issues

closed #3274 and partially #3072

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 44.54%. Comparing base (9f17373) to head (e9f0aac).

Additional details and impacted files

Files with missing lines	Coverage Δ
librz/debug/debug.c	43.69% <ø> (-0.41%)	:arrow_down:

... and 8 files with indirect coverage changes

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[notxvilka]

Ignore the comment about breakpoints - I see they are part of one test

[well-mannered-goat]

Have tweaked some tests to check how they are working, will fix rz-test accordingly