feat: upgrade protobuf from v25.7 to v31.0

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PiperOrigin-RevId: 881595129

Source-Link: googleapis/googleapis@d90d23f

Source-Link: https://github.com/googleapis/googleapis-gen/commit/f1a94433664f8650a4acb73d609b943d2ecbb6e0
Copy-Tag: eyJwIjoiZ29vZ2xlLWNsb3VkLWttcy12MS8uT3dsQm90LnlhbWwiLCJoIjoiZjFhOTQ0MzM2NjRmODY1MGE0YWNiNzNkNjA5Yjk0M2QyZWNiYjZlMCJ9

BEGIN_NESTED_COMMIT
feat: Add KeyProjectResolutionMode to AutokeyConfig to support project-level configurations
feat: Add more post-quantum (PQ) signature algorithms to CryptoKeyVersion
docs: Update documentation for AutokeyAdmin service and messages to support folder and project-level configurations
docs: Clarify supported resources for the crypto_key_backend field in ImportJob

PiperOrigin-RevId: 870858133

Source-Link: googleapis/googleapis@b026ba8

Source-Link: https://github.com/googleapis/googleapis-gen/commit/958c60c9844e6b1c4378c43e34ebe87e661a3320
Copy-Tag: eyJwIjoiZ29vZ2xlLWNsb3VkLWttcy12MS8uT3dsQm90LnlhbWwiLCJoIjoiOTU4YzYwYzk4NDRlNmIxYzQzNzhjNDNlMzRlYmU4N2U2NjFhMzMyMCJ9
END_NESTED_COMMIT
BEGIN_NESTED_COMMIT
feat: Added DeleteCryptoKey and DeleteCryptoKeyVersion RPCs to permanently remove resources
feat: Introduced the RetiredResource resource to track records of deleted keys and prevent the reuse of their resource names
feat: Added ListRetiredResources and GetRetiredResource RPCs to manage and view these records

PiperOrigin-RevId: 868670725

Source-Link: googleapis/googleapis@f248ed0

Source-Link: https://github.com/googleapis/googleapis-gen/commit/78b317216a961e10f426487f10972804912b85ec
Copy-Tag: eyJwIjoiZ29vZ2xlLWNsb3VkLWttcy12MS8uT3dsQm90LnlhbWwiLCJoIjoiNzhiMzE3MjE2YTk2MWUxMGY0MjY0ODdmMTA5NzI4MDQ5MTJiODVlYyJ9
END_NESTED_COMMIT

[snippet-bot]

Here is the summary of changes.

You are about to add 4 region tags.

• google-cloud-kms-v1/snippets/key_management_service/delete_crypto_key.rb:19, tag cloudkms_v1_generated_KeyManagementService_DeleteCryptoKey_sync
• google-cloud-kms-v1/snippets/key_management_service/delete_crypto_key_version.rb:19, tag cloudkms_v1_generated_KeyManagementService_DeleteCryptoKeyVersion_sync
• google-cloud-kms-v1/snippets/key_management_service/get_retired_resource.rb:19, tag cloudkms_v1_generated_KeyManagementService_GetRetiredResource_sync
• google-cloud-kms-v1/snippets/key_management_service/list_retired_resources.rb:19, tag cloudkms_v1_generated_KeyManagementService_ListRetiredResources_sync

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