Bump regex from 1.5.5 to 1.6.0

[dependabot[bot]]

Bumps regex from 1.5.5 to 1.6.0.

Changelog

Sourced from regex's changelog.

1.6.0 (2022-07-05)

This release principally includes an upgrade to Unicode 14.

New features:

• [FEATURE #832](rust-lang/regex#832): Clarify that Captures::len includes all groups, not just matching groups.
• [FEATURE #857](rust-lang/regex#857): Add an ExactSizeIterator impl for SubCaptureMatches.
• [FEATURE #861](rust-lang/regex#861): Improve RegexSet documentation examples.
• [FEATURE #877](rust-lang/regex#877): Upgrade to Unicode 14.

Bug fixes:

• [BUG #792](rust-lang/regex#792): Fix error message rendering bug.

1.5.6 (2022-05-20)

This release includes a few bug fixes, including a bug that produced incorrect matches when a non-greedy ? operator was used.

• [BUG #680](rust-lang/regex#680): Fixes a bug where [[:alnum:][:^ascii:]] dropped [:alnum:] from the class.
• [BUG #859](rust-lang/regex#859): Fixes a bug where Hir::is_match_empty returned false for \b.
• [BUG #862](rust-lang/regex#862): Fixes a bug where 'ab??' matches 'ab' instead of 'a' in 'ab'.

Commits

• fc9ee6a 1.6.0
• 8ddc8ec deps: bump regex-syntax to 0.6.27
• 8c0eccd regex-syntax-0.6.27
• dee5c25 changelog: 1.6.0
• 9ca3099 regex: fix clippy lints up to rust 1.41.1
• de83828 syntax: fix clippy lints up to rust 1.41.1
• b87cd88 syntax: include only the start of the character class on error
• 9d1478c doc: fix typos
• 7d21662 doc: clarify Captures::len includes non-matching captures
• 5e98788 perf: use is_match_at instead of shortest_match_at
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)