Deprecate WP_Auth0_Api_Operations methods

[joshcanhelp]

Changes

This PR deprecates the following methods:

• WP_Auth0_Api_Operations:: update_wordpress_connection() - No longer used.
• WP_Auth0_Api_Operations:: toggle_rule() - No longer used.

Added a few more TODO comments and @codeCoverageIgnore annotations

[codecov-io]

Codecov Report

Merging #656 into master will increase coverage by 0.97%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #656      +/-   ##
============================================
+ Coverage     42.59%   43.57%   +0.97%     
+ Complexity     1221     1185      -36     
============================================
  Files            51       50       -1     
  Lines          3742     3658      -84     
============================================
  Hits           1594     1594              
+ Misses         2148     2064      -84

Impacted Files	Coverage Δ	Complexity Δ
lib/WP_Auth0_DBManager.php	46.66% <ø> (+9.16%)	60 <0> (-9)	⬇️
lib/WP_Auth0_EditProfile.php	33.33% <ø> (ø)	2 <0> (ø)	⬇️
lib/WP_Auth0_Export_Users.php	0% <ø> (ø)	18 <0> (ø)	⬇️
lib/WP_Auth0_Email_Verification.php	100% <ø> (ø)	4 <0> (ø)	⬇️
lib/WP_Auth0_Import_Settings.php	0% <ø> (ø)	26 <0> (ø)	⬇️
lib/WP_Auth0_ErrorLog.php	68.42% <ø> (ø)	12 <0> (ø)	⬇️
lib/WP_Auth0_Api_Operations.php	93.93% <ø> (+21.84%)	6 <0> (-6)	⬇️

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