Update Homebrew TAP formula: flow-php to version: 0.9.1 (#1187)

<h2>Change Log</h2>
<div id="change-log">
  <h4>Changed</h4>
  <ul id="changed">
    <li>Update Homebrew TAP formula: flow-php to version: 0.9.1</li>
  </ul>
</div>
<hr/>

<h2>Description</h2>

Created by https://github.com/mislav/bump-homebrew-formula-action

src/tools/homebrew/Formula/flow-php.rb

@@ -1,8 +1,8 @@
 class FlowPhp < Formula
   desc "Flow is a first and the most advanced PHP ETL framework"
   homepage "https://github.com/flow-php/flow"
-  url "https://github.com/flow-php/flow/releases/download/0.9.0/flow.phar"
-  sha256 "c362e03675a86768d6dfff4ec261549d6b557f66c05b1a2bca15183b0b9a39f7"
+  url "https://github.com/flow-php/flow/releases/download/0.9.1/flow.phar"
+  sha256 "34d7599f546df917ae0991e08f63afbfa99daa3a867eb0bd0e0f721397bd4f92"
   license "MIT"
 
   depends_on "php"