refresh auth token automatically when it expires

[chrishagglund-ship-it]

remove non-functioning scheduled refresh thing and replace with automatic refresh

Pull Request type

• [ x ] Bugfix

Changes in this PR

remove broken code that refreshed token and threw it away every 45 mins, in favor of keeping the actually-working expired-cache-entry re-establisher plus newly using okhttp auth hook to freshen it in response to 401.

Alternatives considered

http interceptor but okhttp auth hook was deemed superior.

[codecov]

Codecov Report

❌ Patch coverage is 77.77778% with 6 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...nductor/client/http/TokenRefreshAuthenticator.java	77.77%	2 Missing and 2 partials ⚠️
...kes/conductor/client/http/OrkesAuthentication.java	75.00%	1 Missing and 1 partial ⚠️

Files with missing lines	Coverage Δ	Complexity Δ
...main/java/io/orkes/conductor/client/ApiClient.java	15.06% <100.00%> (+15.06%)	3.00 <0.00> (+3.00)
...kes/conductor/client/http/OrkesAuthentication.java	68.88% <75.00%> (+68.88%)	10.00 <2.00> (+10.00)
...nductor/client/http/TokenRefreshAuthenticator.java	77.77% <77.77%> (ø)	5.00 <5.00> (?)

... and 4 files with indirect coverage changes

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