add the maintain privilege again to the Javadoc

Author: ThoSap

operator/src/main/java/it/aboutbits/postgresql/crd/defaultprivilege/DefaultPrivilegeSpec.java

@@ -102,6 +102,7 @@ public class DefaultPrivilegeSpec {
     /// - `trigger`
     /// - `create`
     /// - `usage`
+    /// - `maintain`
     @Required
     @JsonFormat(with = JsonFormat.Feature.ACCEPT_CASE_INSENSITIVE_VALUES)
     @ValidationRule(

operator/src/main/java/it/aboutbits/postgresql/crd/grant/GrantSpec.java

@@ -105,6 +105,7 @@ public class GrantSpec {
     /// - `connect`
     /// - `temporary`
     /// - `usage`
+    /// - `maintain`
     @Required
     @JsonFormat(with = JsonFormat.Feature.ACCEPT_CASE_INSENSITIVE_VALUES)
     @ValidationRule(

operator/src/test/java/it/aboutbits/postgresql/crd/defaultprivilege/DefaultPrivilegeReconcilerTest.java

@@ -335,7 +335,8 @@ void errorWhenInvalidPrivileges() {
                     disabledReason = "PostgreSQL 15 and 16 do not support the MAINTAIN privilege"
             )
             @DisplayName(
-                    "Should reconcile to ERROR when the PostgreSQL version does not support the MAINTAIN table privilege")
+                    "Should reconcile to ERROR when the PostgreSQL version does not support the MAINTAIN table privilege"
+            )
             void errorWhenUnsupportedMaintainTablePrivilege() {
                 // given
                 var clusterConnectionMain = given.one()

operator/src/test/java/it/aboutbits/postgresql/crd/grant/GrantReconcilerTest.java

@@ -331,7 +331,8 @@ void errorWhenInvalidPrivileges() {
                     disabledReason = "PostgreSQL 15 and 16 do not support the MAINTAIN privilege"
             )
             @DisplayName(
-                    "Should reconcile to ERROR when the PostgreSQL version does not support the MAINTAIN table privilege")
+                    "Should reconcile to ERROR when the PostgreSQL version does not support the MAINTAIN table privilege"
+            )
             void errorWhenUnsupportedMaintainTablePrivilege() {
                 // given
                 var clusterConnectionMain = given.one()