Bumps wp-cli/wp-cli from 2.4.1 to 2.5.0.

Sourced from wp-cli/wp-cli's releases.

Release 2.5.0

• Require v1.8 of Requests [#5529]
• Remove tech debt via Rector [#5528]
• Move fetcher implementations back into framework [#5527]
• Add WpOrgApi abstraction to handle WordPress.org API requests [#5526]
• Update Composer dependencies - 2021-05-08 [#5524]
• Disable automatic retry by default on certificate validation error [#5523]
• Add missing $pipes variables when creating processes [#5522]
• Harden error message on failed cache directory creation [#5520]
• Update docblocks for methods that accept error objects [#5516]
• Use custom certificate if provided [#5514]
• Respect provided verify option in Utils\http_request [#5507]
• Add magic properties to docblock [#5504]
• Allow disabling of ini_set() [#5499]
• Update GHA functional tests workflow [#5498]
• Switch from Travis CI to GitHub Actions [#5483]
• Add PHP 8 as an allowed PHP version [#5477]
• Fix registering a command with a class and method name pair on PHP 8. [#5476]
• [PHP 8] Add properties argument to __set_state magic method [#5469]
• Improve regex to match __FILE__ and __DIR__ magic constants [#5465]
• Skip using removed Operation::getReason() for Composer v2 compat [#5462]
• Update Composer dependencies - 2020-10-31 [#5461]
• Support custom folder structures in wp-config.php file [#5460]
• Fixed: Wrong param type. [#5459]
• Fix non static methods in Extractor_Test class call statically [#5457]
• Only suppress global parameters if set as true [#5455]
• Add global parameter for executing php [#5454]
• Missing @return tag in function/method PHPDoc comment [#5450]
• Allow root from environment [#5448]
• Update dependencies 2020-09-29 [#5445]
• Fix a broken link in the README file [#5443]
• Add support for Redis Object Cache [#5436]
• Allow user to suppress global parameters info from help display [#5423]
• Updated license date [#5421]
• Add $interactive arg for run_mysql_command() [#5420]
• Add support for comma-separated flag values [#5419]
• Fix SERVER_PORT JSON encoding failure [#5417]
• Create a default global config file if it does not exist [#5411]
• Update Composer lock file - 2020-06-10 [#5409]
• Updated minimum required PHP version too 5.6 [#5408]
• Include classmap in order to fix composer 2.0 deprecation notices. [#5407]
• Bump PHPCS compatibility tests to new PHP 5.6+ minimum [#5406]
• Throw exception when misusing error_to_string() [#5405]
• Add regenerate-readme GitHub Action workflow [#5399]
• Improve replace_path_costs() with logic from eval file command [#5397]
• Add database info to cli info command [#5386]
• Let Utils\run_mysql_command() return data [#5384]
• Bump Travis CI OS from trusty to xenial [#5381]
• Enforce PHP 7.4 compatibility in Travis CI [#5380]
• Remove is_bundled_command() method [#5375]

... (truncated)

• 0bcf0c5 Update version in README.md
• 72294ac gd
• 33390e2 Change VERSION to 2.5.0
• 4c4746d Merge pull request #5529 from wp-cli/fix/bump-requests-requirement-to-1-8-0
• d21a4ab Update dependencies - 2021-05-13
• 941721e Adapt requirements
• 64896fb Update file(s) from wp-cli/.github
• c3bd5bd Merge pull request #5528 from wp-cli/try/rector
• 904b7cc Fix rebase issues
• cecff63 Reorder imports
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