MINOR: release-estimator: fix the shebang of the python script

Fix the shebang of the python script to use /usr/bin/env, allowing to
call the script directly from a virtualenv with `./release-estimator.py`
without using the python3 install of the system.

diff --git a/admin/release-estimator/release-estimator.py b/admin/release-estimator/release-estimator.py
index e113bffcbd77fa7c6a4f7d3a098375472b4cdfba..946fcc8f35d337571903424623c657583ba04d45 100755 (executable)
--- a/admin/release-estimator/release-estimator.py
+++ b/admin/release-estimator/release-estimator.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 #
 # Release estimator for HAProxy
 #