Update msteams webhook URLs to use mandatory secrets #6656

Job	Run time
Tox pep8 with Python 3.12	31s
Ansible 2.18 lint with Python 3.12	1m 45s
Tox releasenotes with Python 3.12	26s
Tox docs with Python 3.12	32s
Ansible 2.17 lint with Python 3.10	1m 43s
Check changed files	4s
Build Kayobe Image / Build kayobe image	5m 53s
aio upgrade (Ubuntu Jammy to Noble OVN) / runner-selection / define_runner	3s
aio (Rocky 9 OVN) / runner-selection / define_runner	6s
aio (Ubuntu Noble OVN) / runner-selection / define_runner	3s
aio (Rocky 9 OVS) / runner-selection / define_runner	3s
aio upgrade (Rocky 9 OVS) / runner-selection / define_runner	3s
aio upgrade (Rocky 9 OVN) / runner-selection / define_runner	4s
Check container image tags / Check container image tags	-1s
aio (Rocky 9 OVS) / All in one	37m 15s
aio (Ubuntu Noble OVN) / All in one	36m 52s
aio upgrade (Rocky 9 OVS) / All in one	1h 5m 17s
aio upgrade (Ubuntu Jammy to Noble OVN) / All in one	1h 54m 25s
aio upgrade (Rocky 9 OVN) / All in one	1h 4m 35s
aio (Rocky 9 OVN) / All in one	32m 46s
	6h 2m 25s

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