[libadwaita/wip/chergert/fix-env] build: fix path to env

[Christian Hergert <chergert src gnome org>]

commit 4454eb6b728003ccc4c86b61762facef13c2f64f
Author: Christian Hergert <christian hergert me>
Date:   Wed Feb 2 19:54:30 2022 -0800

    build: fix path to env
    
    We need to use /usr/bin/env on macOS as the other scripts within
    the project are using.

 src/gen-public-types.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gen-public-types.py b/src/gen-public-types.py
index 04adc58c..452a0159 100644
--- a/src/gen-public-types.py
+++ b/src/gen-public-types.py
@@ -1,4 +1,4 @@
-#!/bin/env python3
+#!/usr/bin/env python3
 
 import os
 import re