[tor-bugs] #24754 [Core Tor/Tor]: Remove unnecessary heap allocations in Rust protover implementation.

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#24754: Remove unnecessary heap allocations in Rust protover implementation.
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     Reporter:  frewsxcv      |      Owner:  (none)
         Type:  enhancement   |     Status:  new
     Priority:  Medium        |  Milestone:
    Component:  Core Tor/Tor  |    Version:
     Severity:  Minor         |   Keywords:
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
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 https://github.com/frewsxcv/tor/compare/frewsxcv-protover-heap?expand=1

 This is my first Tor patch! 🎉

 I was working towards
 https://trac.torproject.org/projects/tor/ticket/24030 and noticed we do
 some unnecessary heap allocations via `collect`.

 Even though this is a small change I'm mostly opening to see what the
 review/merge process is like. Also curious if small patches like this
 should be folded into larger patches as separate commits, or if it's okay
 to open individual tickets for them. If there's anything I'm doing wrong,
 let me know – I've done virtually no open source work outside of GitHub
 and am new to this Trac-based workflow.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24754>
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