Updated GeolocatorPlatform

[florissmit1]

✨ What kind of change does this PR introduce? (Bug fix, feature, docs update...)

Bug fix

⤵️ What is the current behavior?

Currently the _token object in the GeolocatorPlatform is a const variable, which should be a final variable. Can cause version locking. Also replaced the verifyToken method with the verify method as mentioned in the issues in the Links to relevant issues/docs section.

🆕 What is the new behavior (if this is a feature change)?

Solved the issue mentioned above

💥 Does this PR introduce a breaking change?

No

🐛 Recommendations for testing

Does not apply

📝 Links to relevant issues/docs

flutter/flutter#96178
#937
flutter/plugins#4640

🤔 Checklist before submitting

• I made sure all projects build.
• I updated pubspec.yaml with an appropriate new version according to the pub versioning philosophy.
• I updated CHANGELOG.md to add a description of the change.
• I followed the style guide lines (code style guide).
• I updated the relevant documentation.
• I rebased onto current master.

[codecov]

Codecov Report

Merging #942 (ca682e3) into master (6a8abab) will increase coverage by 6.66%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           master      #942      +/-   ##
===========================================
+ Coverage   93.33%   100.00%   +6.66%     
===========================================
  Files           1        17      +16     
  Lines          30       241     +211     
===========================================
+ Hits           28       241     +213     
+ Misses          2         0       -2     

Impacted Files	Coverage Δ
...terface/lib/src/geolocator_platform_interface.dart	100.00% <100.00%> (ø)
geolocator/lib/geolocator.dart
...erface/lib/src/enums/location_accuracy_status.dart	100.00% <0.00%> (ø)
...ace/lib/src/errors/activity_missing_exception.dart	100.00% <0.00%> (ø)
...form_interface/lib/src/enums/location_service.dart	100.00% <0.00%> (ø)
...rc/errors/location_service_disabled_exception.dart	100.00% <0.00%> (ø)
...e/lib/src/errors/invalid_permission_exception.dart	100.00% <0.00%> (ø)
...terface/lib/src/extensions/integer_extensions.dart	100.00% <0.00%> (ø)
...e/lib/src/errors/already_subscribed_exception.dart	100.00% <0.00%> (ø)
...rors/permission_request_in_progress_exception.dart	100.00% <0.00%> (ø)
... and 9 more

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[mvanbeusekom]

@florissmit1, code looks good but the version should be updated as a breaking change. This should also be reflected in the changelog description (see suggestions).

[mvanbeusekom]

LGTM