Use https for schemaLocation

[snuyanzin]

Use https like it is done for maven itself https://issues.apache.org/jira/browse/MNG-6778

[what-the-diff]

• The schema location was changed from http to https

[codecov-commenter]

Codecov Report

Merging #650 (ce4a731) into main (15a2d88) will decrease coverage by 0.05%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main     #650      +/-   ##
============================================
- Coverage     92.81%   92.77%   -0.05%     
- Complexity     2615     2623       +8     
============================================
  Files           280      281       +1     
  Lines          5371     5396      +25     
  Branches        587      589       +2     
============================================
+ Hits           4985     5006      +21     
- Misses          238      240       +2     
- Partials        148      150       +2     

Impacted Files	Coverage Δ
.../main/java/net/datafaker/service/FakerContext.java	83.58% <0.00%> (-0.80%)	⬇️
...net/datafaker/internal/helper/SingletonLocale.java	75.00% <0.00%> (ø)
.../java/net/datafaker/service/FakeValuesService.java	84.95% <0.00%> (+0.02%)	⬆️
...c/main/java/net/datafaker/providers/base/Text.java	78.81% <0.00%> (+0.84%)	⬆️
...rc/main/java/net/datafaker/service/FakeValues.java	84.16% <0.00%> (+0.97%)	⬆️

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