Bump backrefs from 5.9 to 6.0.1

[dependabot]

Bumps backrefs from 5.9 to 6.0.1.

Release notes

Sourced from backrefs's releases.

6.0.1

• FIX: Fix a regression that created an ASCII binary property that would override the ASCII block property.

6.0

• NEW: POSIX character classes will now always use POSIX compatibility rules instead of Unicode standard rules, if any are specified in the Unicode specification. The affected character classes are: [[:alnum:]], [[:digit:]], [[:xdigit:]], and [[:punct:]]. To explicitly use standard Unicode rules for these compatibility properties, use the Unicode property form instead: [\p{Alnum}], [\p{Digit}], [\p{Punct}], or [\p{XDigit}]. This has changed to ensure no confusion for users expecting compatible POSIX style character class properties.
• FIX: Scoped ASCII/Unicode flags ((?a:pattern)/(?u:pattern)) should be respected for Unicode properties in bre and will ensure ASCII or Unicode range if used.
• FIX: Fix issues related to detecting disabled scoped flags.

Commits

• 63f8a4b Fix grammar
• 7f4bf61 Rework POSIX alias
• 956df5f Fix ASCII block regression
• 7a948f0 Clean up code and add more comments
• 9b2e406 Add more flag tests
• 47d62b1 Handle enable/disable properly
• 8e75967 Fix issues with scoped flags (#192)
• 0df8e77 POSIX character classes should use POSIX compatibility rules by default (#191)
• 31fd8c5 Call mkdocs directly on deploy
• See full diff in compare view

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[coveralls]

Pull Request Test Coverage Report for Build 17293990701

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 78.94%

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Totals
Change from base Build 17290840212:	0.0%
Covered Lines:	536
Relevant Lines:	679

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💛 - Coveralls