build: bump to angualr 19

[cipchk]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 90.90909% with 2 lines in your changes missing coverage. Please review.

Project coverage is 95.83%. Comparing base (28f9eb8) to head (1a6682f).

Files with missing lines	Patch %	Lines
lib/src/filesaver.directive.ts	90.90%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #62      +/-   ##
==========================================
+ Coverage   94.44%   95.83%   +1.38%     
==========================================
  Files           3        2       -1     
  Lines          72       72              
  Branches       13       11       -2     
==========================================
+ Hits           68       69       +1     
  Misses          1        1              
+ Partials        3        2       -1     

Flag	Coverage Δ
unittests	95.83% <90.90%> (+1.38%)	⬆️

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