fix(scripts): use env to find bash interpreter (#3861)

install/ensure-correct-permissions-profiles-dir.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # TODO: Remove this after the next hard-stop
 

scripts/bump-version.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -eu
 
 OLD_VERSION="$1"

scripts/post-release.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -eu
 
 # Bring master back to nightlies after merge from release branch

sentry-admin.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Set the script directory as working directory.
 cd $(dirname $0)