provider: add MaxBatchSize limit

[Jorropo]

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 65.48%. Comparing base (76d9292) to head (a1c0a01). Report is 149 commits behind head on main.

Files with missing lines	Patch %	Lines
provider/reprovider.go	0.00%	5 Missing :warning:

@@            Coverage Diff             @@
##             main     #544      +/-   ##
==========================================
- Coverage   65.54%   65.48%   -0.07%     
==========================================
  Files         207      207              
  Lines       25590    25595       +5     
==========================================
- Hits        16773    16760      -13     
- Misses       7340     7356      +16     
- Partials     1477     1479       +2     

Files with missing lines	Coverage Δ
provider/reprovider.go	68.04% <0.00%> (-1.03%)	:arrow_down:

... and 15 files with indirect coverage changes

[hacdias]

@Jorropo changelog?

[Jorropo]

Need tests and changelog