Legacy version of jQuery

[CrazyLionHeart]

Describe the bug Old version of jQuery have a lot of open CVE:

• CVE-2012-6708
• CVE-2015-9251
• CVE-2019-11358
• CVE-2020-11022
• CVE-2020-11023

jQuery UI also have CVE:

• CVE-2010-5312
• CVE-2016-7103

To Reproduce Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

System information

flower   -> flower:1.0.0 tornado:6.1 humanize:3.11.0
software -> celery:5.1.2 (sun-harmonics) kombu:5.1.0 py:3.9.7
            billiard:3.6.4.0 py-amqp:5.0.6
platform -> system:Darwin arch:64bit
            kernel version:20.6.0 imp:CPython
loader   -> celery.loaders.app.AppLoader
settings -> transport:amqp results:disabled

deprecated_settings: None

[qingfeng786]

met this, do we upgrade jquery version in flower

[johanvergeer]

I have picked this up in #1078

[mher]

Fixed by https://github.com/mher/flower/pull/1280