Update Rust crate regex to v1.11.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
regex	dependencies	patch	1.11.0 -> 1.11.1

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Release Notes

rust-lang/regex (regex)

v1.11.1

Compare Source

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This is a new patch release of regex that fixes compilation on nightly
Rust when the unstable pattern crate feature is enabled. Users on nightly
Rust without this feature enabled are unaffected.

Bug fixes:

• BUG #​1231:
  Fix the Pattern trait implementation as a result of nightly API breakage.

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