Send Accept-Encoding: gzip, deflate as default in FastHttpLocust.

[cyberw]

fixes #1195

[codecov]

Codecov Report

Merging #1196 into master will increase coverage by 0.01%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master    #1196      +/-   ##
==========================================
+ Coverage   78.46%   78.48%   +0.01%     
==========================================
  Files          20       20              
  Lines        1960     1961       +1     
  Branches      307      308       +1     
==========================================
+ Hits         1538     1539       +1     
+ Misses        342      341       -1     
- Partials       80       81       +1

Impacted Files	Coverage Δ
locust/contrib/fasthttp.py	88.63% <66.66%> (+0.06%)	⬆️

---

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 73382f4...e038586. Read the comment docs.