Bump pygments to ^2.14.0 and relaxed ipywidgets dep

[willmcgugan]

Type of changes

• Bug fix
• New feature
• Documentation / docstrings
• Tests
• Other

Checklist

• I've run the latest black with default args on new code.
• I've updated CHANGELOG.md and CONTRIBUTORS.md where appropriate.
• I've added tests for new code.
• I accept that @willmcgugan may be pedantic in the code review.

Description

Please describe your changes here. If this fixes a bug, please link to the issue, if possible.

[codecov-commenter]

Codecov Report

Base: 98.50% // Head: 98.50% // No change to project coverage 👍

Coverage data is based on head (711d034) compared to base (88cf996).
Patch coverage: 100.00% of modified lines in pull request are covered.

❗ Current head 711d034 differs from pull request most recent head 3e10081. Consider uploading reports for the commit 3e10081 to get more accurate results

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Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2783   +/-   ##
=======================================
  Coverage   98.50%   98.50%           
=======================================
  Files          74       74           
  Lines        7917     7917           
=======================================
  Hits         7799     7799           
  Misses        118      118           

Flag	Coverage Δ
unittests	98.50% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
rich/progress.py	92.92% <ø> (ø)
rich/theme.py	100.00% <100.00%> (ø)

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