feat(rust): Add missing impl for Series

[Vincenthays]

Add this

impl FromIterator<Option<&'a str>> for Series
impl FromIterator<Option<String>> for Series

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.30%. Comparing base (41318c3) to head (662d9b5).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #18166      +/-   ##
==========================================
- Coverage   80.35%   80.30%   -0.05%     
==========================================
  Files        1496     1498       +2     
  Lines      197825   198652     +827     
  Branches     2822     2822              
==========================================
+ Hits       158966   159536     +570     
- Misses      38337    38594     +257     
  Partials      522      522              

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