fix lombok builders

[ortex]

Need to use public access instead of protected for builders.
Public used by default

[codecov]

Codecov Report

Merging #123 (e8d24a0) into main (2cae0e8) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main     #123   +/-   ##
=========================================
  Coverage     96.39%   96.39%           
  Complexity       90       90           
=========================================
  Files            24       24           
  Lines           305      305           
  Branches          2        2           
=========================================
  Hits            294      294           
  Misses            7        7           
  Partials          4        4           

Impacted Files	Coverage Δ
.../org/rocstreaming/roctoolkit/RocContextConfig.java	100.00% <ø> (ø)
...org/rocstreaming/roctoolkit/RocReceiverConfig.java	100.00% <ø> (ø)
...a/org/rocstreaming/roctoolkit/RocSenderConfig.java	100.00% <ø> (ø)