Allow MYSQL_5_5 for database_version (#4625) (#3102)

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/4625.txt

@@ -0,0 +1,3 @@
+```release-note:none
+
+```

google-beta/resource_sql_source_representation_instance.go

@@ -47,8 +47,8 @@ func resourceSQLSourceRepresentationInstance() *schema.Resource {
 				Type:         schema.TypeString,
 				Required:     true,
 				ForceNew:     true,
-				ValidateFunc: validation.StringInSlice([]string{"MYSQL_5_6", "MYSQL_5_7", "MYSQL_8_0"}, false),
-				Description:  `The MySQL version running on your source database server. Possible values: ["MYSQL_5_6", "MYSQL_5_7", "MYSQL_8_0"]`,
+				ValidateFunc: validation.StringInSlice([]string{"MYSQL_5_5", "MYSQL_5_6", "MYSQL_5_7", "MYSQL_8_0"}, false),
+				Description:  `The MySQL version running on your source database server. Possible values: ["MYSQL_5_5", "MYSQL_5_6", "MYSQL_5_7", "MYSQL_8_0"]`,
 			},
 			"name": {
 				Type:        schema.TypeString,

website/docs/r/sql_source_representation_instance.html.markdown

@@ -61,7 +61,7 @@ The following arguments are supported:
 * `database_version` -
   (Required)
   The MySQL version running on your source database server.
-  Possible values are `MYSQL_5_6`, `MYSQL_5_7`, and `MYSQL_8_0`.
+  Possible values are `MYSQL_5_5`, `MYSQL_5_6`, `MYSQL_5_7`, and `MYSQL_8_0`.
 
 * `host` -
   (Required)