feat: manage v1 sessions

[olevski]

This allows the notebook service to be fully retired.

/deploy renku-gateway=feat-shutdown-notebooks

depends on #569 and #571

[RenkuBot]

You can access the deployment of this PR at https://renku-ci-ds-572.dev.renku.ch

[coveralls]

Pull Request Test Coverage Report for Build 12284868934

Details

• 9 of 12 (75.0%) changed or added relevant lines in 4 files are covered.
• 4 unchanged lines in 4 files lost coverage.
• Overall coverage decreased (-0.02%) to 86.381%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
components/renku_data_services/notebooks/api/classes/k8s_client.py	0	1	0.0%
components/renku_data_services/notebooks/api/classes/server.py	2	3	66.67%
components/renku_data_services/notebooks/core.py	5	6	83.33%

Files with Coverage Reduction	New Missed Lines	%
components/renku_data_services/base_api/misc.py	1	98.36%
components/renku_data_services/crc/blueprints.py	1	92.74%
components/renku_data_services/crc/models.py	1	84.71%
components/renku_data_services/notebooks/api/classes/k8s_client.py	1	58.39%

Totals
Change from base Build 12281701063:	-0.02%
Covered Lines:	14633
Relevant Lines:	16940

---

💛 - Coveralls