Updated importlib-metadata constraint

[UsamaSadiq]

On Python<3.8, importlib-metadata==2.0.0 causes dependency conflicts because of the pinned constraint python<3.8. There is no breaking change in the importlib-metadata version 2.0.0.

development documentation

• ran the linter to address style issues (tox -e fix_lint)
• wrote descriptive pull request text
• ensured there are test(s) validating the fix
• added news fragment in docs/changelog folder
• updated/extended the documentation

[codecov]

Codecov Report

Merging #1953 into main will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1953      +/-   ##
==========================================
- Coverage   93.93%   93.91%   -0.03%     
==========================================
  Files          86       86              
  Lines        4237     4237              
==========================================
- Hits         3980     3979       -1     
- Misses        257      258       +1     

Flag	Coverage Δ
#tests	93.91% <ø> (-0.03%)	⬇️

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Impacted Files	Coverage Δ
src/virtualenv/seed/embed/base_embed.py	96.22% <0.00%> (-1.89%)	⬇️

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[UsamaSadiq]

@gaborbernat test failures are not related to my change. Could you take a look at it? Thanks.

[gaborbernat]

@gaborbernat test failures are not related to my change. Could you take a look at it? Thanks.

Not at the moment. And until tests pass we won't merge. If you can take a look that would be great.