Incorporate scope inference

[adriangb]

Taking advantage of adriangb/di@b0cd073 to make things a bit less verbose and error prone.

[codecov-commenter]

Codecov Report

Merging #101 (98f5b19) into main (3e34996) will decrease coverage by 0.20%.
The diff coverage is 63.63%.

❗ Current head 98f5b19 differs from pull request most recent head b04e42e. Consider uploading reports for the commit b04e42e to get more accurate results

@@            Coverage Diff             @@
##             main     #101      +/-   ##
==========================================
- Coverage   98.53%   98.32%   -0.21%     
==========================================
  Files         126      127       +1     
  Lines        4220     4230      +10     
  Branches      595      598       +3     
==========================================
+ Hits         4158     4159       +1     
- Misses         30       37       +7     
- Partials       32       34       +2     

Impacted Files	Coverage Δ
xpresso/applications.py	96.03% <ø> (ø)
xpresso/routing/operation.py	100.00% <ø> (ø)
xpresso/routing/websockets.py	92.59% <ø> (ø)
xpresso/_utils/scope_resolver.py	60.00% <60.00%> (ø)
xpresso/dependencies/_dependencies.py	100.00% <100.00%> (ø)
tests/test_docs/advanced/test_websockets.py	92.00% <0.00%> (-8.00%)	⬇️
tests/test_request_bodies/test_file.py	98.40% <0.00%> (-1.60%)	⬇️
tests/test_request_bodies/test_multipart.py	99.29% <0.00%> (-0.71%)	⬇️