fix: Implemented IPv4 address validation for dest_address in the resource zia_firewall_filtering_rule

[willguibr]

fix: Implemented IPv4 address validation for dest_address in the resource zia_firewall_filtering_rule

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 30 lines in your changes missing coverage. Please review.

Project coverage is 68.38%. Comparing base (986dbb2) to head (b322416).
Report is 1 commits behind head on master.

Files	Patch %	Lines
zia/validator.go	0.00%	30 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #368      +/-   ##
==========================================
- Coverage   68.51%   68.38%   -0.14%     
==========================================
  Files          82       82              
  Lines       13835    13865      +30     
==========================================
+ Hits         9479     9481       +2     
- Misses       3763     3792      +29     
+ Partials      593      592       -1     

Files	Coverage Δ
zia/resource_zia_cloud_app_control_rules.go	3.63% <ø> (ø)
zia/resource_zia_firewall_filtering_rules.go	3.85% <ø> (ø)
zia/validator.go	18.06% <0.00%> (-1.50%)	⬇️

... and 1 file with indirect coverage changes