build(deps): update rust crate regex to 1.9.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
regex	dependencies	patch	1.9.1 -> 1.9.3

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Release Notes

rust-lang/regex (regex)

v1.9.3

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This is a patch release that fixes a bug where some searches could result in
incorrect match offsets being reported. It is difficult to characterize the
types of regexes susceptible to this bug. They generally involve patterns
that contain no prefix or suffix literals, but have an inner literal along with
a regex prefix that can conditionally match.

Bug fixes:

• BUG #​1060:
  Fix a bug with the reverse inner literal optimization reporting incorrect match
  offsets.

v1.9.2

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This is a patch release that fixes another memory usage regression. This
particular regression occurred only when using a RegexSet. In some cases,
much more heap memory (by one or two orders of magnitude) was allocated than in
versions prior to 1.9.0.

Bug fixes:

• BUG #​1059:
  Fix a memory usage regression when using a RegexSet.

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