Update Homebrew TAP formula: flow-php to version: 0.7.0 (#1010)

<h2>Change Log</h2>
<div id="change-log">
  <h4>Changed</h4>
  <ul id="changed">
    <li>Update Homebrew TAP formula: flow-php to version: 0.7.0</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/0.6.1/flow.phar"
-  sha256 "90ea1d9054f387545d778e1aae4e18e706db7a2a65476c373280992511f9a3ee"
+  url "https://github.com/flow-php/flow/releases/download/0.7.0/flow.phar"
+  sha256 "6c4a3e1052cbdb152227fe371ec2a7d63b098638bfacb0ba64ba2405a7866170"
   license "MIT"
 
   depends_on "php"