release: 5.1.0

[yggg]

Please read and mark the following check list before creating a pull request:

• I read and followed the CONTRIBUTING.md guide.
• I read and followed the New Feature Checklist guide.

Short description of what this resolves:

[codecov]

Codecov Report

Merging #2403 into master will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2403      +/-   ##
==========================================
- Coverage   81.54%   81.50%   -0.05%     
==========================================
  Files         244      244              
  Lines        7382     7382              
  Branches      774      774              
==========================================
- Hits         6020     6017       -3     
- Misses       1132     1136       +4     
+ Partials      230      229       -1     

Impacted Files	Coverage Δ
...ramework/theme/components/toastr/toastr.service.ts	94.78% <0.00%> (-2.61%)	⬇️