Update all shebangs to use python3

docs/bump_version.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import argparse
 import re

scripts/bloom-export-upstream

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 This is a place holder script for use in testing.

scripts/bloom-generate

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 This is a place holder script for use in testing.

scripts/bloom-release

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 This is a place holder script for use in testing.

scripts/bloom-update

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 This is a place holder script for use in testing.

scripts/git-bloom-branch

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 This is a place holder script for use in testing.

scripts/git-bloom-config

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 This is a place holder script for use in testing.

scripts/git-bloom-generate

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 This is a place holder script for use in testing.

scripts/git-bloom-import-upstream

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 This is a place holder script for use in testing.

scripts/git-bloom-patch

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 This is a place holder script for use in testing.

scripts/git-bloom-release

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 This is a place holder script for use in testing.

setup.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 from setuptools import find_packages, setup