Update dependencies for apple silicon in macos.rst (ManimCommunity#3290)

Adhyyan Sekhsaria · web-flow · commit e84547f36df1 · 2023-07-16T10:18:01.000+02:00
According to https://pypi.org/project/ManimPango/ manim pango also needs pkg-config
diff --git a/docs/source/installation/macos.rst b/docs/source/installation/macos.rst
@@ -34,7 +34,7 @@ are required, namely:
 
 .. code-block:: bash
 
-   brew install pango scipy
+   brew install pango pkg-config scipy
 
 After all required dependencies are installed, simply run:
 
