run bash via env command (#1637)

`#!/usr/bin/env` searches `PATH` for `bash`, and `bash` is not always in `/bin``

Signed-off-by: Felix Buehler <account@buehler.rocks>

1 files changed, 1 insertions, 1 deletions

diff --git a/update.sh b/update.sh
index a75c926c..7d8db8c8 100755
--- a/update.sh
+++ b/update.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -eo pipefail
 
 declare -A php_version=(