Fix type hint for client constructor arguments

[frenck]

Proposed Changes

Type hint and their allowed values didn't match in the constructor signature. This PR fixes that.

[codecov]

Codecov Report

Merging #297 (9a02b0f) into main (b7ec5e1) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##              main      #297   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            9         9           
  Lines          287       287           
  Branches        18        18           
=========================================
  Hits           287       287           

Impacted Files	Coverage Δ
src/adguardhome/adguardhome.py	100.00% <ø> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update b7ec5e1...9a02b0f. Read the comment docs.