ITOAuth2Client: use less aggressive token lifespans #5128

Job	Run time
CI Code Checks et al (11)	8m 24s
CI intTest (11)	8m 1s
CI intTest integrations	10m 52s
CI Determine jobs	5s
CI intTest Quarkus (11)	3m 16s
CI intTest versioned/stores (11)	2m 41s
CI Website	51s
CI Test (11)	4m 56s
CI Test Quarkus (11)	3m 11s
CI NesQuEIT	29m 48s
CI Docker build and publishing	0s
CI Lint & Test Helm chart	0s
CI Store Cache	0s
	1h 12m 5s

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