Added ; on multiple trackings

[ct0182]

Added ; on Get tracking results of multiple trackings to fix code.

[codecov-io]

Codecov Report

Merging #45 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             master    #45   +/-   ##
=======================================
  Coverage       100%   100%           
  Complexity       86     86           
=======================================
  Files             6      6           
  Lines           196    190    -6     
=======================================
- Hits            196    190    -6

Impacted Files	Coverage Δ	Complexity Δ
src/LastCheckPoint.php	100% <0%> (ø)	8% <0%> (ø)	⬇️
src/Notifications.php	100% <0%> (ø)	18% <0%> (ø)	⬇️
src/Request.php	100% <0%> (ø)	24% <0%> (ø)	⬇️
src/Couriers.php	100% <0%> (ø)	7% <0%> (ø)	⬇️
src/Trackings.php	100% <0%> (ø)	27% <0%> (ø)	⬇️
src/BackwardCompatible.php	100% <0%> (ø)	2% <0%> (ø)	⬇️

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