Update deps and README + some cleanup

src/Modules/PostgresContainer.php

@@ -23,18 +23,6 @@ class PostgresContainer extends GenericContainer
         $this->withWait(new WaitForExec(["pg_isready", "-h", "127.0.0.1", "-U", $this->username]));
     }
 
-    /**
-     *  @deprecated Use constructor instead
-     *  Left for backward compatibility
-     */
-    public static function make(string $version = 'latest', string $dbPassword = 'root'): self
-    {
-        return new self(
-            version: $version,
-            password: $dbPassword
-        );
-    }
-
     public function withPostgresUser(string $username): self
     {
         $this->withEnvironment('POSTGRES_USER', $username);
@@ -42,6 +30,13 @@ class PostgresContainer extends GenericContainer
         return $this;
     }
 
+    public function withPostgresPassword(string $password): self
+    {
+        $this->withEnvironment('POSTGRES_PASSWORD', $password);
+
+        return $this;
+    }
+
     public function withPostgresDatabase(string $database): self
     {
         $this->withEnvironment('POSTGRES_DB', $database);