Replace deprecated unencrypted git protocol

https://github.blog/2021-09-01-improving-git-protocol-security-github/

Signed-off-by: Ivan Santiago Paunovic <ivanpauno@ekumenlabs.com>

Author: ivanpauno

.github/workflows/build_and_test.yml

@@ -73,8 +73,8 @@ jobs:
         sudo apt-get update && sudo apt-get install -y python3-colcon-common-extensions python3-vcstool python3-lark-parser python3-dev
     - name: Install colcon extensions for Gradle
       run: |
-        sudo pip3 install git+git://github.com/colcon/colcon-gradle.git
-        sudo pip3 install git+git://github.com/colcon/colcon-ros-gradle.git
+        sudo pip3 install git+https://github.com/colcon/colcon-gradle.git
+        sudo pip3 install git+https://github.com/colcon/colcon-ros-gradle.git
     - name: Install Android NDK
       run: |
         curl -LO https://dl.google.com/android/repository/android-ndk-r21d-linux-x86_64.zip