[Key Vault] Fix broken links (Azure#19907)

Author: mccoyp

sdk/keyvault/azure-keyvault-certificates/README.md

@@ -437,6 +437,6 @@ contact opencode@microsoft.com with any additional questions or comments.
 [reference_docs]: https://aka.ms/azsdk/python/keyvault-certificates/docs
 [certificates_client_src]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/keyvault/azure-keyvault-certificates/azure/keyvault/certificates
 [certificates_samples]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/keyvault/azure-keyvault-certificates/samples
-[soft_delete]: https://docs.microsoft.com/azure/key-vault/key-vault-ovw-soft-delete
+[soft_delete]: https://docs.microsoft.com/azure/key-vault/general/soft-delete-overview
 
 ![Impressions](https://azure-sdk-impressions.azurewebsites.net/api/impressions/azure-sdk-for-python%2Fsdk%2Fkeyvault%2Fazure-keyvault-certificates%2FREADME.png)

sdk/keyvault/azure-keyvault-keys/README.md

@@ -458,6 +458,6 @@ contact opencode@microsoft.com with any additional questions or comments.
 [crypto_client_docs]: https://aka.ms/azsdk/python/keyvault-keys/crypto/docs
 [key_client_src]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/keyvault/azure-keyvault-keys/azure/keyvault/keys
 [key_samples]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/keyvault/azure-keyvault-keys/samples
-[soft_delete]: https://docs.microsoft.com/azure/key-vault/key-vault-ovw-soft-delete
+[soft_delete]: https://docs.microsoft.com/azure/key-vault/general/soft-delete-overview
 
 ![Impressions](https://azure-sdk-impressions.azurewebsites.net/api/impressions/azure-sdk-for-python%2Fsdk%2Fkeyvault%2Fazure-keyvault-keys%2FREADME.png)

sdk/keyvault/azure-keyvault-secrets/README.md

@@ -141,7 +141,7 @@ A secret consists of a secret value and its associated metadata and management
 information. This library handles secret values as strings, but Azure Key Vault
 doesn't store them as such. For more information about secrets and how Key
 Vault stores and manages them, see the
-[Key Vault documentation](https://docs.microsoft.com/azure/key-vault/about-keys-secrets-and-certificates#key-vault-secrets).
+[Key Vault documentation](https://docs.microsoft.com/azure/key-vault/general/about-keys-secrets-certificates).
 
 [SecretClient][secret_client_docs] can set secret values in the vault, update
 secret metadata, and delete secrets, as shown in the
@@ -432,6 +432,6 @@ contact opencode@microsoft.com with any additional questions or comments.
 [secret_client_src]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/keyvault/azure-keyvault-secrets/azure/keyvault/secrets
 [secret_client_docs]: https://aka.ms/azsdk/python/keyvault-secrets/docs#azure.keyvault.secrets.SecretClient
 [secret_samples]: https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/keyvault/azure-keyvault-secrets/samples
-[soft_delete]: https://docs.microsoft.com/azure/key-vault/key-vault-ovw-soft-delete
+[soft_delete]: https://docs.microsoft.com/azure/key-vault/general/soft-delete-overview
 
 ![Impressions](https://azure-sdk-impressions.azurewebsites.net/api/impressions/azure-sdk-for-python%2Fsdk%2Fkeyvault%2Fazure-keyvault-secrets%2FREADME.png)