chore(deps): update rust crate regex to v1.12.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
regex	dependencies	minor	1.11.2 → 1.12.3

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Release Notes

rust-lang/regex (regex)

v1.12.3

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===================
This release excludes some unnecessary things from the archive published to
crates.io. Specifically, fuzzing data and various shell scripts are now
excluded. If you run into problems, please file an issue.

Improvements:

• #​1319:
  Switch from a Cargo exclude list to an include list, and exclude some
  unnecessary stuff.

v1.12.2

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===================
This release fixes a cargo doc breakage on nightly when --cfg docsrs is
enabled. This caused documentation to fail to build on docs.rs.

Bug fixes:

• BUG #​1305:
  Switches the doc_auto_cfg feature to doc_cfg on nightly for docs.rs builds.

v1.12.1

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===================
This release makes a bug fix in the new regex::Captures::get_match API
introduced in 1.12.0. There was an oversight with the lifetime parameter
for the Match returned. This is technically a breaking change, but given
that it was caught almost immediately and I've yanked the 1.12.0 release,
I think this is fine.

v1.12.0

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===================
This release contains a smattering of bug fixes, a fix for excessive memory
consumption in some cases and a new regex::Captures::get_match API.

Improvements:

• FEATURE #​1146:
  Add Capture::get_match for returning the overall match without unwrap().

Bug fixes:

• BUG #​1083:
  Fixes a panic in the lazy DFA (can only occur for especially large regexes).
• BUG #​1116:
  Fixes a memory usage regression for large regexes (introduced in regex 1.9).
• BUG #​1195:
  Fix universal start states in sparse DFA.
• BUG #​1295:
  Fixes a panic when deserializing a corrupted dense DFA.
• BUG 8f5d9479:
  Make regex_automata::meta::Regex::find consistently return None when
  WhichCaptures::None is used.

v1.11.3

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===================
This is a small patch release with an improvement in memory usage in some
cases.

Improvements:

• BUG #​1297:
  Improve memory usage by trimming excess memory capacity in some spots.

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---

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[yegor256]

@rultor please, try to merge, since 10 checks have passed

[rultor]

@rultor please, try to merge, since 10 checks have passed

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here.

[rultor]

@rultor please, try to merge, since 10 checks have passed

@renovate[bot] @yegor256 Oops, I failed. You can see the full log here (spent 7s).

++ dirname ./run.sh
+ cd .
+ echo 1221
+ echo '2.0-SNAPSHOT BUILD'
2.0-SNAPSHOT BUILD
+ date
Thu Oct  9 18:17:32 UTC 2025
+ uptime
 18:17:32 up 1 min,  0 users,  load average: 0.89, 0.33, 0.12
+ cat
.rultor.yml in yegor256/objectionary-secrets doesn't allow objectionary/sodg.rs to use its assets (there are 36 friends), see http://doc.rultor.com/reference.html#assets
+ exit -1
'cid' file is absent, most probably the Docker container wasn't started correctly