feat(dialogflow/cx): added GitIntegrationSettings to the Agent (#8244)

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PiperOrigin-RevId: 546946304

Source-Link: https://togithub.com/googleapis/googleapis/commit/5cfc6d1605a5db31067b8229cc2be317f2ad277c

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/734b6e53fdf976b33d1cab2c7b5bce0999e97fcd
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNzM0YjZlNTNmZGY5NzZiMzNkMWNhYjJjN2I1YmNlMDk5OWU5N2ZjZCJ9
BEGIN_NESTED_COMMIT
feat(deploy): added support routeUpdateWaitTime field for Deployment Strategies
Users can specify a non trivial amount of wait time after each route update for deployment strategies.

PiperOrigin-RevId: 546929254

Source-Link: https://togithub.com/googleapis/googleapis/commit/a04c947d894c63bba3bbea48250caa6f57ca95e1

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/7863319de192f091976cd18e2594cd7dfbfe7726
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNzg2MzMxOWRlMTkyZjA5MTk3NmNkMThlMjU5NGNkN2RmYmZlNzcyNiJ9
END_NESTED_COMMIT