Fix `to_string_in_format_args` false positive

[smoelius]

Fix #9256

changelog: none

[rust-highfive]

r? @llogiq

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[smoelius]

Hopefully, I understood correctly. Thanks for reviewing, @llogiq.

[bors]

:umbrella: The latest upstream changes (presumably #9349) made this pull request unmergeable. Please resolve the merge conflicts.

[llogiq]

Yes, that's what I meant. Sorry for being absent for a while. r=me after rebase.

[smoelius]

Rebase done. Thanks again, @llogiq.

[llogiq]

Thank you!

@bors r+

[bors]

:pushpin: Commit 0bc26c811c96c05b2e60c94d06e2904b0ce25fe7 has been approved by llogiq

It is now in the queue for this repository.

[bors]

:hourglass: Testing commit 0bc26c811c96c05b2e60c94d06e2904b0ce25fe7 with merge 5735a3bef6db84156d78d05fdd43e6332687cf2c...

[bors]

:sunny: Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test Approved by: llogiq Pushing 5735a3bef6db84156d78d05fdd43e6332687cf2c to master...