aya: remove unwrap/expect and NonZero* in info

[tyrone-wu]

Addresses the feedback from #1007: 🙃

• Remove panic from unwrap and expect
• Option<NonZero*> => Option<int> with 0 mapping to None
  - Use aya_ebpf::binding in u32 conversion in prog, link, and attach type for more straightforward matching. The ::Type appears to be an alias for u32, so cast wasn't required. see comment

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[mergify]

Hey @alessandrod, this pull request changes the Aya Public API and requires your review.

[tyrone-wu]

@marysaka
Oddly, adding aya-ebpf dependency to aya-obj causes build CI for armv7 and integration-tests for Ubuntu to produce some weird errors.

When aya-ebpf is present in aya-obj Cargo.toml, even though it is not being used in the crate.

• workflow - https://github.com/tyrone-wu/aya/actions/runs/10744225344
• sause - tyrone-wu@90f0481

And this is with the dependency removed.

• workflow: https://github.com/tyrone-wu/aya/actions/runs/10743997333
• sause: tyrone-wu@17b41ab

[marysaka]

@marysaka Oddly, adding aya-ebpf dependency to aya-obj causes build CI for armv7 and integration-tests for Ubuntu to produce some weird errors.

When aya-ebpf is present in aya-obj Cargo.toml, even though it is not being used in the crate.

* workflow - https://github.com/tyrone-wu/aya/actions/runs/10744225344

* sause - [tyrone-wu@90f0481](https://github.com/tyrone-wu/aya/commit/90f0481acde3f8bbcfd0860cc371f257550891c2)

And this is with the dependency removed.

* workflow: https://github.com/tyrone-wu/aya/actions/runs/10743997333

* sause: [tyrone-wu@17b41ab](https://github.com/tyrone-wu/aya/commit/17b41ab83d9b5c94bd20f84190a4a875689f5850)

Seems that I misunderstood the origin of that type and got confused sorry about that, can you revert those changes then? 😞