bump compat for Cairo to 1.0

[Mattriks]

• I've run the regression tests

This PR:

• bump compat for Cairo to 1.0 (note Compose v0.8.1 supports Cairo 1.0)
• closes test Gadfly #1409

[codecov-io]

Codecov Report

Merging #1414 into master will not change coverage by %.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1414   +/-   ##
=======================================
  Coverage   89.53%   89.53%           
=======================================
  Files          39       39           
  Lines        4279     4279           
=======================================
  Hits         3831     3831           
  Misses        448      448           

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[Mattriks]

This is ready to merge.