Use use resource_bundle instead of resource in Core Podspec

[kried]

Description

https://mapbox.atlassian.net/browse/NAVIOS-1842

Implementation

Uses the same fix that was aded in #4668 for MapboxNavigation for MapboxCoreNavigation. The Maps SDK declares PrivacyInfo.xcprivacy similarly in resource_bundle.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 60.04%. Comparing base (4b532fb) to head (c4468b5). Report is 1 commits behind head on lts/v2.

@@            Coverage Diff             @@
##           lts/v2    #4731      +/-   ##
==========================================
+ Coverage   60.01%   60.04%   +0.03%     
==========================================
  Files         189      189              
  Lines       21324    21326       +2     
==========================================
+ Hits        12798    12806       +8     
+ Misses       8526     8520       -6     

Files with missing lines	Coverage Δ
Sources/MapboxNavigation/Bundle.swift	100.00% <100.00%> (ø)

... and 3 files with indirect coverage changes