Implement custom ES Rest Client error handler

[riccardomodanese]

Brief description of the PR.
This pr adds a proper error handler for the Rest client as suggested by this issue:
elastic/elasticsearch#49124

Related Issue
fix #3563

Description of the solution adopted
The custom error handler should prevent the I/O reactor to be stopped by an error coming from the underlying layer.

Screenshots
none

Any side note on the changes made
none

[codecov]

Codecov Report

Merging #3564 (7808948) into develop (a0a5ee1) will decrease coverage by 3.09%.
The diff coverage is 47.22%.

❗ Current head 7808948 differs from pull request most recent head bf06304. Consider uploading reports for the commit bf06304 to get more accurate results

@@              Coverage Diff              @@
##             develop    #3564      +/-   ##
=============================================
- Coverage      50.12%   47.02%   -3.10%     
  Complexity       259      259              
=============================================
  Files           1662     1662              
  Lines          31900    31929      +29     
  Branches        2642     2643       +1     
=============================================
- Hits           15989    15016     -973     
- Misses         14973    15995    +1022     
+ Partials         938      918      -20     

Impacted Files	Coverage Δ
...sticsearch/client/AbstractElasticsearchClient.java	0.00% <ø> (ø)
...ticsearch/client/rest/RestElasticsearchClient.java	60.77% <0.00%> (-1.10%)	⬇️
...h/client/rest/RestElasticsearchClientProvider.java	51.26% <54.83%> (+0.98%)	⬆️
...lipse/kapua/service/tag/internal/TagQueryImpl.java	0.00% <0.00%> (-100.00%)	⬇️
.../kapua/service/tag/internal/TagListResultImpl.java	0.00% <0.00%> (-100.00%)	⬇️
...rvice/endpoint/internal/EndpointInfoQueryImpl.java	0.00% <0.00%> (-100.00%)	⬇️
.../job/targets/internal/JobTargetListResultImpl.java	0.00% <0.00%> (-100.00%)	⬇️
.../endpoint/internal/EndpointInfoListResultImpl.java	0.00% <0.00%> (-100.00%)	⬇️
...pua/service/endpoint/internal/EndpointInfoDAO.java	0.00% <0.00%> (-93.34%)	⬇️
...org/eclipse/kapua/service/tag/internal/TagDAO.java	0.00% <0.00%> (-90.91%)	⬇️
... and 73 more