Adapt to rocq-prover/rocq#21063 (fixed apply auto-projecting from record with letin projection)

[SkySkimmer]

Should be backwards compatible

[ppedrot]

CI is green so this is indeed backwards compatible. Please merge already.

[SkySkimmer]

ping @andrew-appel

[ppedrot]

Ping @andrew-appel

[andrew-appel]

Now that this has been merged, VST's own CI fails in the dev branch:
https://github.com/PrincetonUniversity/VST/actions/runs/17916506780/job/50940016368

<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
  [prerelease] no changes from file:///github/workspace/opam-prerelease
  Error:  Could not update repository "rocq-extra-dev": OpamDownload.Download_fail(_, "curl failed: \"/usr/bin/curl --write-out %{http_code}\\\\n --retry 3 --retry-delay 2 --user-agent opam/2.3.0 -L -o /tmp/opam-12-871e96/index.tar.gz.part -- [https://rocq-prover.org/opam/extra-dev/index.tar.gz\](https://rocq-prover.org/opam/extra-dev/index.tar.gz/)" exited with code 35")

Do either of you have any advice about how to fix this?

[SkySkimmer]

Seems like a network error, retry the job?

[andrew-appel]

Yes, that was it. Thank you.