Add child dependency to parent dependencies.

[hs-lsong]

Child dependency is also a parent dependency.

[codecov-io]

Codecov Report

Merging #325 into master will increase coverage by 0.02%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master     #325      +/-   ##
============================================
+ Coverage     71.38%   71.41%   +0.02%     
- Complexity     1569     1571       +2     
============================================
  Files           239      239              
  Lines          4921     4926       +5     
  Branches        794      796       +2     
============================================
+ Hits           3513     3518       +5     
  Misses         1124     1124              
  Partials        284      284

Impacted Files	Coverage Δ	Complexity Δ
...in/java/com/hubspot/jinjava/interpret/Context.java	80.32% <100%> (+0.55%)	85 <0> (+2)	⬆️

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[boulter]

You will also need to clear those in Context.reset()