PMM-7 Fix v3.0.0-beta RN link on readme

[ademidoff]

PMM-7

This seems to fix the issue with multiple links on readme.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.50%. Comparing base (82310f6) to head (f4c0733).
Report is 1 commits behind head on v3.

Additional details and impacted files

@@            Coverage Diff             @@
##               v3    #3326      +/-   ##
==========================================
- Coverage   43.53%   43.50%   -0.04%     
==========================================
  Files         366      366              
  Lines       44169    44169              
==========================================
- Hits        19231    19217      -14     
- Misses      23252    23266      +14     
  Partials     1686     1686              

Flag	Coverage Δ
admin	11.51% <ø> (ø)
agent	51.83% <ø> (-0.13%)	⬇️
managed	45.24% <ø> (ø)
vmproxy	68.57% <ø> (ø)

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