Prepare for release 4.4.0-beta1.

[f2prateek]

No description provided.

[codecov-io]

Codecov Report

Merging #604 into master will decrease coverage by 0.28%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #604      +/-   ##
==========================================
- Coverage   83.27%   82.98%   -0.29%     
==========================================
  Files          30       30              
  Lines        2463     2463              
  Branches      283      283              
==========================================
- Hits         2051     2044       -7     
- Misses        329      335       +6     
- Partials       83       84       +1

Impacted Files	Coverage Δ
.../src/main/java/com/segment/analytics/ValueMap.java	86.39% <0%> (-2.73%)	⬇️
...ain/java/com/segment/analytics/internal/Utils.java	74.13% <0%> (-1.15%)	⬇️
...cs/src/main/java/com/segment/analytics/Traits.java	92.3% <0%> (-1.1%)	⬇️

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