misc: use /usr/bin/env in scripts

This patch continues the work to support NixOS and others non-FHS
distributions by replacing instances of `/bin/bash` with
`/usr/bin/env bash`, which works correctly in more systems than the
former.

Signed-off-by: Luis Holanda <luiscmholanda@gmail.com>

bin/mod-tidy

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

ci/lint

@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 REPO_ROOT=$(git rev-parse --show-toplevel)
 cd "$REPO_ROOT"
 
 # shellcheck disable=SC2046
-shellcheck -x $(awk '/#!\/bin\/(ba)?sh/&&FNR==1{print FILENAME}' $(git ls-files))
+shellcheck -x $(awk '/#!\/usr\/bin\/env/&&FNR==1{print FILENAME}' $(git ls-files))
 find . \( -name 'WORKSPACE' -o -name 'BUILD' -o -name '*.bzl' \) -exec buildifier {} +

ci/list_toolchains_platforms

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 indent() { sed 's/^/    /'; }

ci/release

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -xeuo pipefail
 
 cd "$(git rev-parse --show-toplevel)"

ci/test

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -xeuo pipefail
 
 bazel test ...

contrib/makerel

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 zigdir=out/zig-x86_64-linux-musl-x86_64_v3

release

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -xeuo pipefail
 
 sign=(-u motiejus@jakstys.lt)