Cache Google Chrome deb with generic packages rather than AWS

We currently cache Google Chrome deb files in AWS. Since GitLab 14.8
Generic Packages have become generally available. So in order to remove
the dependency on AWS and to dogfood the feature, we are going to cache
the Google Chrome deb files with GitLab

https://docs.gitlab.com/ee/user/packages/generic_packages/

scripts/install-chrome

@@ -5,6 +5,9 @@ IFS=$'\n\t'
 
 CHROME_VERSION=${1:-97.0.4692.99-1}
 CHROME_DRIVER_VERSION=${2:-97.0.4692.71}
+# We hard code the URL rather than using $CI_API_V4_URL $CI_PROJECT_ID,
+# because we would need to forward those variables
+CHROME_DOWNLOAD_URL_BASE="https://gitlab.com/api/v4/projects/1075790/packages/generic/google-chrome-stable"
 export DEBIAN_FRONTEND=noninteractive
 
 curl -sS -L https://dl.google.com/linux/linux_signing_key.pub | apt-key add -
@@ -12,14 +15,14 @@ echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" > /et
 
 apt-get update -q -y
 
-# Download from our local S3 bucket if we can't find the package in the repository
+# Download from our package registry if we can't find the package in the apt repository
 echo "Searching for $CHROME_VERSION in apt repository"
 CHECK_VERSION=$(apt-cache show google-chrome-stable | grep Version | grep "$CHROME_VERSION") || true
 
 if [[ -z $CHECK_VERSION ]]; then
     CHROME_DEB="google-chrome-stable_${CHROME_VERSION}_amd64.deb"
-    CHROME_URL="https://s3.amazonaws.com/gitlab-google-chrome-stable/${CHROME_DEB}"
-    echo "Downloading $CHROME_URL"
+    CHROME_URL="${CHROME_DOWNLOAD_URL_BASE}/${CHROME_VERSION}/${CHROME_DEB}"
+    echo "Downloading from our Package registry: $CHROME_URL"
     curl --silent --show-error --fail -O $CHROME_URL
     dpkg -i ./$CHROME_DEB || true
     apt-get install -f -y