Bump addressable from 2.5.2 to 2.8.1 in /docs

[dependabot[bot]]

Bumps addressable from 2.5.2 to 2.8.1.

Changelog

Sourced from addressable's changelog.

Addressable 2.8.1

• refactor Addressable::URI.normalize_path to address linter offenses (#430)
• remove redundant colon in Addressable::URI::CharacterClasses::AUTHORITY regex (#438)
• update gemspec to reflect supported Ruby versions (#466, #464, #463)
• compatibility w/ public_suffix 5.x (#466, #465, #460)
• fixes "invalid byte sequence in UTF-8" exception when unencoding URLs containing non UTF-8 characters (#459)
• Ractor compatibility (#449)
• use the whole string instead of a single line for template match (#431)
• force UTF-8 encoding only if needed (#341)

#460: sporkmonger/addressable#460 #463: sporkmonger/addressable#463 #464: sporkmonger/addressable#464 #465: sporkmonger/addressable#465 #466: sporkmonger/addressable#466

Addressable 2.8.0

• fixes ReDoS vulnerability in Addressable::Template#match
• no longer replaces + with spaces in queries for non-http(s) schemes
• fixed encoding ipv6 literals
• the :compacted flag for normalized_query now dedupes parameters
• fix broken escape_component alias
• dropping support for Ruby 2.0 and 2.1
• adding Ruby 3.0 compatibility for development tasks
• drop support for rack-mount and remove Addressable::Template#generate
• performance improvements
• switch CI/CD to GitHub Actions

Addressable 2.7.0

• added :compacted flag to normalized_query
• heuristic_parse handles mailto: more intuitively
• dropped explicit support for JRuby 9.0.5.0
• compatibility w/ public_suffix 4.x
• performance improvements

Addressable 2.6.0

• added tld= method to allow assignment to the public suffix
• most heuristic_parse patterns are now case-insensitive
• heuristic_parse handles more file:// URI variations
• fixes bug in heuristic_parse when uri starts with digit
• fixes bug in request_uri= with query strings
• fixes template issues with nil and ? operator
• frozen_string_literal pragmas added
• minor performance improvements in regexps
• fixes to eliminate warnings

Commits

• 8657465 Update version, gemspec, and CHANGELOG for 2.8.1 (#474)
• 4fc5bb6 CI: remove Ubuntu 18.04 job (#473)
• 860fede Force UTF-8 encoding only if needed (#341)
• 99810af Merge pull request #431 from ojab/ct-_do_not_parse_multiline_strings
• 7ce0f48 Merge branch 'main' into ct-_do_not_parse_multiline_strings
• 7ecf751 Merge pull request #449 from okeeblow/freeze_concatenated_strings
• 41f12dd Merge branch 'main' into freeze_concatenated_strings
• 068f673 Merge pull request #459 from jarthod/iso-encoding-problem
• b4c9882 Merge branch 'main' into iso-encoding-problem
• 08d27e8 Merge pull request #471 from sporkmonger/sporkmonger-enable-codeql
• Additional commits viewable in compare view

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