[2.x] Handle YAML file content before parsing

[rennokki]

No description provided.

[codecov]

Codecov Report

Merging #73 (f9e5542) into master (a8b3226) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master      #73      +/-   ##
============================================
+ Coverage     95.00%   95.01%   +0.01%     
- Complexity      545      546       +1     
============================================
  Files            56       56              
  Lines          1300     1303       +3     
============================================
+ Hits           1235     1238       +3     
  Misses           65       65              

Impacted Files	Coverage Δ	Complexity Δ
src/K8s.php	97.67% <100.00%> (+0.08%)	38.00 <2.00> (+1.00)

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