chore(deps): bump flask from 2.1.3 to 2.2.2 in /examples

[dependabot]

Bumps flask from 2.1.3 to 2.2.2.

Release notes

Sourced from flask's releases.

2.2.2

This is a fix release for the 2.2.0 feature release.

• Changes: https://flask.palletsprojects.com/en/2.2.x/changes/#version-2-2-1
• Milestone: https://github.com/pallets/flask/milestone/25?closed=1

2.2.1

This is a fix release for the 2.2.0 feature release.

• Changes: https://flask.palletsprojects.com/en/2.2.x/changes/#version-2-2-1
• Milestone: https://github.com/pallets/flask/milestone/23?closed=1

2.2.0

This is a feature release, which includes new features and removes previously deprecated code. The 2.2.x branch is now the supported bug fix branch, the 2.1.x branch will become a tag marking the end of support for that branch. We encourage everyone to upgrade, and to use a tool such as pip-tools to pin all dependencies and control upgrades.

• Changes: https://flask.palletsprojects.com/en/2.2.x/changes/#version-2-2-0
• Milestone: https://github.com/pallets/flask/milestone/19?closed=1

Changelog

Sourced from flask's changelog.

Version 2.2.2

Released 2022-08-08

• Update Werkzeug dependency to >= 2.2.2. This includes fixes related to the new faster router, header parsing, and the development server. :pr:4754
• Fix the default value for app.env to be "production". This attribute remains deprecated. :issue:4740

Version 2.2.1

Released 2022-08-03

• Setting or accessing json_encoder or json_decoder raises a deprecation warning. :issue:4732

Version 2.2.0

Released 2022-08-01

• Remove previously deprecated code. :pr:4667

  • Old names for some send_file parameters have been removed. download_name replaces attachment_filename, max_age replaces cache_timeout, and etag replaces add_etags. Additionally, path replaces filename in send_from_directory.
  • The RequestContext.g property returning AppContext.g is removed.

• Update Werkzeug dependency to >= 2.2.

• The app and request contexts are managed using Python context vars directly rather than Werkzeug's LocalStack. This should result in better performance and memory use. :pr:4682

  • Extension maintainers, be aware that _app_ctx_stack.top and _request_ctx_stack.top are deprecated. Store data on g instead using a unique prefix, like g._extension_name_attr.

• The FLASK_ENV environment variable and app.env attribute are deprecated, removing the distinction between development and debug mode. Debug mode should be controlled directly using the --debug option or app.run(debug=True). :issue:4714

... (truncated)

Commits

• a1c478b Merge pull request #4755 from pallets/release-2.2.2
• 43d2fff release version 2.2.2
• e9af7c2 Merge pull request #4754 from pallets/werkzeug-version
• de16718 require werkzeug >= 2.2.2
• 6ab3cb8 fix issue number
• e3eaafb Merge pull request #4749 from pallets/shell-env
• e3df233 remove env from shell banner
• a0458ef refactor or remove old docs (#4748)
• 45b2c99 Merge pull request #4742 from pallets/env-default
• a6a7a57 fix default value of app.env
• Additional commits viewable in compare view

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[codecov-commenter]

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The diff coverage is n/a.

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  Lines           ?    28275           
  Branches        ?        0           
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  Hits            ?    18840           
  Misses          ?     8061           
  Partials        ?     1374           

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[dependabot]

Superseded by #75.