add missing timeout parameter for get point API (#10235)

GET /collections/{name}/points/{id} already accepts ReadParams.timeout;
OpenAPI only documented consistency. Match the POST /points query parameters.

docs/redoc/master/openapi.json

@@ -4225,6 +4225,16 @@
             "schema": {
               "$ref": "#/components/schemas/ReadConsistency"
             }
+          },
+          {
+            "name": "timeout",
+            "in": "query",
+            "description": "If set, overrides global timeout for this request. Unit is seconds.",
+            "required": false,
+            "schema": {
+              "type": "integer",
+              "minimum": 1
+            }
           }
         ],
         "responses": {