bug #749 fixed typo in postgres extension name (jrushlow)

This PR was merged into the 1.0-dev branch.

Discussion
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fixed typo in postgres extension name

fixes #748

Commits
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5feb67d fixed typo in postgres extension name

Author: weaverryan

src/Docker/DockerDatabaseServices.php

@@ -89,7 +89,7 @@ public static function getMissingExtensionName(string $name): ?string
                 $driver = 'mysql';
                 break;
             case 'postgres':
-                $driver = 'pdsql';
+                $driver = 'pgsql';
                 break;
             default:
                 self::throwInvalidDatabase($name);