feat: add scheduling_policy IN_ORDER enum to support sequential task executions
docs: update comments on boot disk fields for clearer usage scope
feat: add support for placement policies
docs: update block_external_network field comment to reduce confusion
docs: update disk and network field comment for better readability
docs: fix `book disk` typo
docs: Update reservation field API doc

PiperOrigin-RevId: 524883955

Source-Link: googleapis/googleapis@0830aaf

Source-Link: googleapis/googleapis-gen@a294b7e
Copy-Tag: eyJwIjoiamF2YS1iYXRjaC8uT3dsQm90LnlhbWwiLCJoIjoiYTI5NGI3ZTg5YWNmMDljNDgwMWI2NzJkMzZhYTE3MWY5YmQ2OTQwMyJ9

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

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feat: add support for placement policies

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feat: per-Runnable labels
PiperOrigin-RevId: 530747589

Source-Link: googleapis/googleapis@d944931

Source-Link: googleapis/googleapis-gen@96b4871
Copy-Tag: eyJwIjoiamF2YS1iYXRjaC8uT3dsQm90LnlhbWwiLCJoIjoiOTZiNDg3MWU1YmI5NjY1MTIxNDVkNDE5OTU2M2UxNmU2ZTNkM2JhYSJ9

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

PiperOrigin-RevId: 530949397

Source-Link: googleapis/googleapis-gen@50f5709
Copy-Tag: eyJwIjoiamF2YS1iYXRjaC8uT3dsQm90LnlhbWwiLCJoIjoiNTBmNTcwOWM5MTYyOTRhOTAwYmUwZTdmNTE1ZGNhMzlhYTJiYTcxYyJ9

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

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feat: add support for placement policies

---
feat: per-Runnable labels
PiperOrigin-RevId: 531181280

Source-Link: googleapis/googleapis@2845078

Source-Link: googleapis/googleapis-gen@f09a853
Copy-Tag: eyJwIjoiamF2YS1iYXRjaC8uT3dsQm90LnlhbWwiLCJoIjoiZjA5YTg1M2FkODA4MGNmZWZkZmM2MWI2NDM0ZDc2MmM4YmZkNmViNyJ9

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md