Fetch tweaks

[dracos]

Increases the Open311 timeout and allows you to do --start 4.5 --end 4.2 should you want to.

[codecov]

Codecov Report

Merging #3738 (0e34d57) into master (ff13e17) will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3738      +/-   ##
==========================================
+ Coverage   82.53%   82.57%   +0.04%     
==========================================
  Files         350      350              
  Lines       23866    23862       -4     
  Branches     3630     3630              
==========================================
+ Hits        19698    19705       +7     
+ Misses       3030     3018      -12     
- Partials     1138     1139       +1     

Impacted Files	Coverage Δ
perllib/Open311.pm	93.72% <ø> (+1.65%)	⬆️
perllib/Utils.pm	97.97% <0.00%> (-1.02%)	⬇️
web/cobrands/fixmystreet-uk-councils/alloy.js	84.95% <0.00%> (-0.89%)	⬇️
web/cobrands/fixmystreet/assets.js	89.76% <0.00%> (+1.51%)	⬆️

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