feat: Update gcloud, nodejs, and bundler2

Author: dazuma

Rakefile

@@ -16,10 +16,10 @@
 
 RUNTIME_PROJECT="gcp-runtimes"
 BUNDLER1_VERSION="1.17.3"
-BUNDLER2_VERSION="2.0.2"
+BUNDLER2_VERSION="2.1.4"
 DEFAULT_RUBY_VERSION="2.6.6"
-NODEJS_VERSION="10.16.3"
-GCLOUD_VERSION="261.0.0"
+NODEJS_VERSION="14.15.1"
+GCLOUD_VERSION="319.0.0"
 OS_NAME="ubuntu16"
 
 LOCAL_PREBUILT_RUBY_VERSIONS=["2.4.10", "2.5.8", "2.6.6", "2.7.1"]

build-ruby-runtime-images.sh

@@ -21,9 +21,9 @@
 BASIC_RUBY_VERSION=2.6.6
 
 BUNDLER1_VERSION=1.17.3
-BUNDLER2_VERSION=2.0.2
-NODEJS_VERSION=10.16.3
-GCLOUD_VERSION=261.0.0
+BUNDLER2_VERSION=2.1.4
+NODEJS_VERSION=14.15.1
+GCLOUD_VERSION=319.0.0
 
 
 set -e