Update scripts using apt install

Add a -y so that bazel can be built non-interactively (e.g. from a Dockerfile).

Author: sourcedufus

scripts/install_requirements.sh

@@ -2,8 +2,8 @@
 # Install requirements to build Bazel on Raspbian Buster
 # Note: run this script with sudo
 apt update
-apt install build-essential zip unzip libatomic1
-apt install openjdk-11-jdk-headless # Warning: installs 1 GB of packages!
+apt install -y build-essential zip unzip libatomic1
+apt install -y openjdk-11-jdk-headless # Warning: installs 1 GB of packages!
 
 # Change default JDK to OpenJDK 11
 update-java-alternatives -s java-1.11.0-openjdk-armhf