CI: Fix executable perms for various files

misc/dist/shell/godot.bash-completion

@@ -1,5 +1,3 @@
-#!/usr/bin/env bash
-
 # Bash completion for the Godot editor
 # To use it, install this file in `/etc/bash_completion.d` then restart your shell.
 # You can also `source` this file directly in your shell startup file.

misc/scripts/check_ci_log.py

@@ -1,5 +1,4 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python3
 
 import sys
 

misc/scripts/copyright_headers.py

@@ -1,5 +1,4 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python3
 
 import os
 import sys

misc/scripts/dotnet_format.py

@@ -1,5 +1,4 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python3
 
 import glob
 import os

misc/scripts/file_format.py

@@ -1,5 +1,4 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python3
 
 import sys
 

misc/scripts/gitignore_check.sh

@@ -1,3 +1,5 @@
+#!/usr/bin/env sh
+
 set -uo pipefail
 shopt -s globstar
 

misc/scripts/header_guards.py

@@ -1,5 +1,4 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python3
 
 import sys
 

misc/scripts/install_d3d12_sdk_windows.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 if __name__ != "__main__":
     raise SystemExit(f'Utility script "{__file__}" should not be used as a module!')

misc/scripts/make_tarball.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env sh
 
 if [ ! -e "version.py" ]; then
   echo "This script should be ran from the root folder of the Godot repository."

misc/scripts/validate_extension_api.sh

@@ -1,4 +1,5 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
 set -o pipefail
 
 if [ ! -f "version.py" ]; then