Work around the CI cancelling problem

[m-ou-se]

Testing if disabling rust-lang/simpleinfra/github-actions/cancel-outdated-builds makes it work again, or if the problem is somewhere else.

Also includes #81781.

r? @ghost

[m-ou-se]

Looks like that works. So apparently rust-lang/simpleinfra/github-actions/cancel-outdated-builds is just cancelling everything unconditionally.

[rust-log-analyzer]

The job mingw-check failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

configure: rust.channel         := nightly
configure: rust.debug-assertions := True
configure: llvm.assertions      := True
configure: dist.missing-tools   := True
configure: build.configure-args := ['--enable-sccache', '--disable-manage-submodu ...
configure: writing `config.toml` in current directory
configure: 
configure: run `python /checkout/x.py --help`
configure: 
---
   Compiling yaml-merge-keys v0.4.1
   Compiling expand-yaml-anchors v0.1.0 (/checkout/src/tools/expand-yaml-anchors)
    Finished release [optimized] target(s) in 5.89s

error: .github/workflows/ci.yml is not up to date
caused by: src/ci/github-actions/ci.yml and .github/workflows/ci.yml are different
command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/expand-yaml-anchors" "check" "/checkout"
expected success, got: exit code: 1

[m-ou-se]

WARNING: automatically generated file, DO NOT CHANGE!

Ah, good idea. (:

[m-ou-se]

The problem seems to have disappeared: https://rust-lang.zulipchat.com/#narrow/stream/242791-t-infra/topic/Cancelled/near/225288118