added parsing of egg=... in urls for requirements.txt

[fpgmaas]

PR Checklist

• A description of the changes is added to the description of this PR.
• If there is a related issue, make sure it is linked to this PR.
• If you've fixed a bug or added code that should be tested, add tests!
• Documentation in docs is updated

Description of changes

[codecov-commenter]

Codecov Report

Merging #115 (30e40e7) into main (1eb80c8) will increase coverage by 0.0%.
The diff coverage is 100.0%.

@@          Coverage Diff          @@
##            main    #115   +/-   ##
=====================================
  Coverage   95.0%   95.0%           
=====================================
  Files         30      30           
  Lines       1180    1184    +4     
=====================================
+ Hits        1121    1125    +4     
  Misses        59      59           

Impacted Files	Coverage Δ
deptry/dependency_getter/requirements_txt.py	96.5% <100.0%> (+0.1%)	⬆️
tests/test_requirements_txt_dependency_getter.py	100.0% <100.0%> (ø)

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