fix: update {Create|Delete}Backup and RestoreDatabase timeouts to 1 hour

PiperOrigin-RevId: 306746093

google/spanner/admin/database/v1/spanner_admin_database_gapic.legacy.yaml

@@ -213,7 +213,7 @@ interfaces:
       poll_delay_multiplier: 1.5
       max_poll_delay_millis: 45000
       total_poll_timeout_millis: 172800000
-    timeout_millis: 30000
+    timeout_millis: 3600000
   - name: GetBackup
     flattening:
       groups:
@@ -251,7 +251,7 @@ interfaces:
     retry_params_name: default
     field_name_patterns:
       name: backup
-    timeout_millis: 30000
+    timeout_millis: 3600000
   - name: ListBackups
     flattening:
       groups:
@@ -293,7 +293,7 @@ interfaces:
       poll_delay_multiplier: 1.5
       max_poll_delay_millis: 45000
       total_poll_timeout_millis: 86400000
-    timeout_millis: 30000
+    timeout_millis: 3600000
   - name: ListDatabaseOperations
     flattening:
       groups:

google/spanner/admin/database/v1/spanner_admin_database_gapic.yaml

@@ -75,7 +75,7 @@ interfaces:
       poll_delay_multiplier: 1.5
       max_poll_delay_millis: 45000
       total_poll_timeout_millis: 172800000
-    timeout_millis: 30000
+    timeout_millis: 3600000
   - name: GetBackup
     retry_codes_name: idempotent
     retry_params_name: default
@@ -87,7 +87,7 @@ interfaces:
   - name: DeleteBackup
     retry_codes_name: idempotent
     retry_params_name: default
-    timeout_millis: 30000
+    timeout_millis: 3600000
   - name: ListBackups
     retry_codes_name: idempotent
     retry_params_name: default
@@ -100,7 +100,7 @@ interfaces:
       poll_delay_multiplier: 1.5
       max_poll_delay_millis: 45000
       total_poll_timeout_millis: 86400000
-    timeout_millis: 30000
+    timeout_millis: 3600000
   - name: ListDatabaseOperations
     retry_codes_name: idempotent
     retry_params_name: default