build(deps): bump flask from 2.1.1 to 2.1.3 in /examples/shared/flask

[dependabot]

Bumps flask from 2.1.1 to 2.1.3.

Release notes

Sourced from flask's releases.

2.1.3

• Changes: https://flask.palletsprojects.com/en/2.1.x/changes/#version-2-1-3
• Milestone: https://github.com/pallets/flask/milestone/22?closed=1

2.1.2

This is a fix release for the 2.1.0 feature release.

• Changes: https://flask.palletsprojects.com/en/2.1.x/changes/#version-2-1-2
• Milestone: https://github.com/pallets/flask/milestone/21?closed=1

Changelog

Sourced from flask's changelog.

Version 2.1.3

Released 2022-07-13

• Inline some optional imports that are only used for certain CLI commands. :pr:4606
• Relax type annotation for after_request functions. :issue:4600
• instance_path for namespace packages uses the path closest to the imported submodule. :issue:4610
• Clearer error message when render_template and render_template_string are used outside an application context. :pr:4693

Version 2.1.2

Released 2022-04-28

• Fix type annotation for json.loads, it accepts str or bytes. :issue:4519
• The --cert and --key options on flask run can be given in either order. :issue:4459

Commits

• 187d717 Merge pull request #4694 from pallets/release-2.1.3
• 134aebe release version 2.1.3
• a7859c6 Merge pull request #4693 from Yourun-proger/msg_app_ctx
• 58f3536 error for render_template outside app context
• 7096b2c update requirements
• 94233fc Merge pull request #4681 from earlruby/patch-1
• 6751f68 New URL for the Quart project
• cafe68e Merge pull request #4675 from tiesjan/2.1.x
• 9dfcb90 Document serialization of Decimal in JSONEncoder
• e4c4fd5 Merge pull request #4674 from pallets/pre-commit-ci-update-config
• Additional commits viewable in compare view

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[dependabot]

Superseded by #167.