feat: add TokenRefreshHandler #1627

Job	Run time
deployment-test / test-prepare	4s
upgradeability-test / test-prepare	4s
deployment-test / secret-presence	1s
verify / verify-formatting	1m 22s
verify / verify-helm-docs	11s
verify / verify-license-headers	4s
verify / verify-dependencies / Dash-Verify-Licenses	2m 32s
verify / verify-dependencies / Review-Allowed-Licenses	7s
upgradeability-test / test-upgradeability	5m 38s
deployment-test / test-hashicorp-postgres	4m 54s
deployment-test / test-in-memory	2m 51s
deployment-test / test-azure-vault-postgres	0s
verify / api-tests	2m 21s
verify / end-to-end-tests	4m 16s
verify / dataplane-tests	2m 2s
verify / integration-tests	1m 44s
verify / miw-integration-tests	2m 29s
verify / postgres-tests	3m 53s
verify / unit-tests	3m 47s
summary	1s
	38m 21s

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