Build quine-mc_cluskey with opt-level=3 in dev builds

[y21]

While doing some profiling I noticed that debug clippy running on the clippy_lints crate spends 35s out of 160s in one specific code path of nonminimal_bool, which seemed a bit excessive.

I've found that just enabling optimizations for quine-mc_cluskey (used by nonminimal_bool) cuts down the part that took 35s to 3s

While this doesn't really change anything for users, this helps dogfood a bit as it cuts off about half a minute of runtime (in some of my tests, at least).

Something similar was attempted in #10576, however that involved compiling everything in release mode including clippy itself, whereas this only affects a single dependency that's compiled in parallel with something that takes longer so this should hopefully not have a negative impact in any case (and changing clippy doesn't require recompiling that dependency)

changelog: none

[rustbot]

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[flip1995]

Oh nice, good catch. This makes sense. I can't test this locally right now, so I leave the final approval to @dswij

[y21]

(I just added a comment for context since it might not be obvious why this is done)

[dswij]

Nice! Tested locally on my machine and it seems to hit that sweet 30+s mark cut 😄

[dswij]

@bors r+

[bors]

📌 Commit 431f7d6 has been approved by dswij

It is now in the queue for this repository.

[bors]

⌛ Testing commit 431f7d6 with merge 59bac6a...

[bors]

☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test
Approved by: dswij
Pushing 59bac6a to master...

[flip1995]

@y21 I had to revert this during the sync rust-lang/rust#130778 in commit rust-lang/rust@f38b569 as this caused warnings when building in the Rust repo:

warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
package:   /home/pkrones/rust-lang/rust/src/tools/clippy/Cargo.toml
workspace: /home/pkrones/rust-lang/rust/Cargo.toml

Those would be annoying to the Rust devs. I didn't know how best to fix this otherwise and don't want to delay the sync further.

[y21]

Ah, that's unfortunate... I'll try to get this to work without affecting rust-lang/rust, but yeah, reverting it just to unblock the sync for now sounds fine