Using \Cake\Http\ServerRequest|Response instead of \Cake\Network\*

[gotoeveryone]

bake task is using the following.

• \Cake\Network\Request
• \Cake\Network\Response

Changed it to use the following.

• \Cake\Http\ServerRequest
• \Cake\Http\Response

[codecov-io]

Codecov Report

Merging #399 into master will not change coverage.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master     #399   +/-   ##
=========================================
  Coverage     92.41%   92.41%           
  Complexity      676      676           
=========================================
  Files            25       25           
  Lines          2176     2176           
=========================================
  Hits           2011     2011           
  Misses          165      165

Impacted Files	Coverage Δ	Complexity Δ
src/Shell/Task/BakeTemplateTask.php	100% <ø> (ø)	6 <0> (ø)	⬇️
src/Shell/Task/TestTask.php	95.51% <100%> (ø)	89 <0> (ø)	⬇️

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[dereuromark]

Looks good.