Set AUTH_VALIDITY_PERIOD_SECONDS as access token default validity

[hectorgomezv]

Summary

This PR modifies the service to take the value AUTH_VALIDITY_PERIOD_SECONDS from the configuration as a default value for the exp attribute of the issued JWTs (and also the maxAge) value for the auth cookies.

Changes

• Takes AUTH_VALIDITY_PERIOD_SECONDS as the default value when not specified by the client on the SiWE message.
• Increases the default for this value to 24 hours.

[coveralls]

Pull Request Test Coverage Report for Build 10322088723

Details

• 0 of 1 (0.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.004%) to 46.907%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/domain/siwe/siwe.repository.ts	0	1	0.0%

Totals
Change from base Build 10304686649:	-0.004%
Covered Lines:	4551
Relevant Lines:	7832

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💛 - Coveralls