feat: Prevent multiple instances of "ipfs routing reprovide" running together.

[gsergey418alt]

Fixes Kubo #10513. Added a mutex to provider/reprovider.

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 60.49%. Comparing base (9e4f046) to head (876fee7).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
provider/reprovider.go	50.00%	2 Missing and 1 partial ⚠️

@@            Coverage Diff             @@
##             main     #834      +/-   ##
==========================================
- Coverage   60.55%   60.49%   -0.06%     
==========================================
  Files         244      244              
  Lines       31136    31142       +6     
==========================================
- Hits        18855    18840      -15     
- Misses      10604    10623      +19     
- Partials     1677     1679       +2     

Files with missing lines	Coverage Δ
provider/reprovider.go	68.01% <50.00%> (-0.32%)	⬇️

... and 11 files with indirect coverage changes