Don't hardcode /bin/bash in scripts (#23740)

Some operating systems, such as NixOS, don't place binaries in /bin. The appropriate cross-platform method is to use /usr/bin/env.

release.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Script to perform a release of element-web.
 

scripts/ci_package.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Runs package.sh, passing DIST_VERSION determined by git
 

scripts/docker-link-repos.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -ex
 

scripts/docker-package.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -ex
 

scripts/fetch-develop.deps.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Fetches the js-sdk and matrix-react-sdk dependencies for development
 # or testing purposes

scripts/get-version-from-git.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Echoes a version based on the git hashes of the element-web, react-sdk & js-sdk checkouts, for the case where
 # these dependencies are git checkouts.

scripts/layered.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -ex
 

scripts/make-icons.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Converts an svg logo into the various image resources required by
 # the various platforms deployments.

scripts/normalize-version.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 

scripts/package.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e