[ReleasePR postgresql] Fix S360 items for FSPG swagger (#2372)

Create to sync Azure/azure-rest-api-specs#18870
[ReCreate this PR](https://github.com/azure-resource-manager-schemas/compare/main...azure-sdk:sdkAuto/postgresql?expand=1)

Author: msftbot[bot]

schemas/2021-06-01-preview/Microsoft.DBforPostgreSQL.json

@@ -41,6 +41,9 @@
               },
               {
                 "$ref": "#/definitions/flexibleServers_configurations_childResource"
+              },
+              {
+                "$ref": "#/definitions/flexibleServers_databases_childResource"
               }
             ]
           }
@@ -126,6 +129,45 @@
       ],
       "description": "Microsoft.DBforPostgreSQL/flexibleServers/configurations"
     },
+    "flexibleServers_databases": {
+      "type": "object",
+      "properties": {
+        "apiVersion": {
+          "type": "string",
+          "enum": [
+            "2021-06-01-preview"
+          ]
+        },
+        "name": {
+          "type": "string",
+          "description": "The name of the database."
+        },
+        "properties": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/DatabaseProperties"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The properties of a database."
+        },
+        "type": {
+          "type": "string",
+          "enum": [
+            "Microsoft.DBforPostgreSQL/flexibleServers/databases"
+          ]
+        }
+      },
+      "required": [
+        "apiVersion",
+        "name",
+        "properties",
+        "type"
+      ],
+      "description": "Microsoft.DBforPostgreSQL/flexibleServers/databases"
+    },
     "flexibleServers_firewallRules": {
       "type": "object",
       "properties": {
@@ -214,6 +256,20 @@
       },
       "description": "The properties of a configuration."
     },
+    "DatabaseProperties": {
+      "type": "object",
+      "properties": {
+        "charset": {
+          "type": "string",
+          "description": "The charset of the database."
+        },
+        "collation": {
+          "type": "string",
+          "description": "The collation of the database."
+        }
+      },
+      "description": "The properties of a database."
+    },
     "FirewallRuleProperties": {
       "type": "object",
       "properties": {
@@ -287,6 +343,45 @@
       ],
       "description": "Microsoft.DBforPostgreSQL/flexibleServers/configurations"
     },
+    "flexibleServers_databases_childResource": {
+      "type": "object",
+      "properties": {
+        "apiVersion": {
+          "type": "string",
+          "enum": [
+            "2021-06-01-preview"
+          ]
+        },
+        "name": {
+          "type": "string",
+          "description": "The name of the database."
+        },
+        "properties": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/DatabaseProperties"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The properties of a database."
+        },
+        "type": {
+          "type": "string",
+          "enum": [
+            "databases"
+          ]
+        }
+      },
+      "required": [
+        "apiVersion",
+        "name",
+        "properties",
+        "type"
+      ],
+      "description": "Microsoft.DBforPostgreSQL/flexibleServers/databases"
+    },
     "flexibleServers_firewallRules_childResource": {
       "type": "object",
       "properties": {

schemas/common/autogeneratedResources.json

@@ -6352,6 +6352,9 @@
         {
           "$ref": "https://schema.management.azure.com/schemas/2021-06-01-preview/Microsoft.DBforPostgreSQL.json#/resourceDefinitions/flexibleServers_configurations"
         },
+        {
+          "$ref": "https://schema.management.azure.com/schemas/2021-06-01-preview/Microsoft.DBforPostgreSQL.json#/resourceDefinitions/flexibleServers_databases"
+        },
         {
           "$ref": "https://schema.management.azure.com/schemas/2021-06-01-preview/Microsoft.DBforPostgreSQL.json#/resourceDefinitions/flexibleServers_firewallRules"
         },