feat: support reporting pii filter based on config backend

[chandumlg]

Description

Added support to filter reporting data based on backend config settings.

Notion Ticket

https://www.notion.so/rudderstacks/8aac9087df644365acdf64e28e290153?v=6e06b0a5ade24f0aa5ffe05dc2972e84&p=5accd4e1fbf9480c9102059897e6068b&pm=s

Security

• The code changed/added as part of this pull request won't create any security issues with how the software is being used.

[codecov]

Codecov Report

Base: 43.66% // Head: 43.78% // Increases project coverage by +0.11% 🎉

Coverage data is based on head (ce60153) compared to base (2f956b7).
Patch coverage: 62.06% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2655      +/-   ##
==========================================
+ Coverage   43.66%   43.78%   +0.11%     
==========================================
  Files         191      191              
  Lines       40483    40502      +19     
==========================================
+ Hits        17677    17733      +56     
+ Misses      21700    21664      -36     
+ Partials     1106     1105       -1     

Impacted Files	Coverage Δ
config/backend-config/types.go	0.00% <ø> (ø)
enterprise/reporting/noop.go	0.00% <0.00%> (ø)
enterprise/reporting/reporting.go	15.89% <66.66%> (+7.55%)	⬆️
processor/processor.go	72.04% <0.00%> (+0.82%)	⬆️
services/rsources/handler.go	71.11% <0.00%> (+1.38%)	⬆️
services/stats/stats.go	90.30% <0.00%> (+1.81%)	⬆️
enterprise/reporting/setup.go	71.42% <0.00%> (+14.28%)	⬆️

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