Add go1.19.5 (new default), go1.19.4, go1.18.10 (new default), go1.18.9

[joshwlewis]

• Add go1.19.4, go1.19.5, go1.18.9, and go1.18.10
• go1.19 defaults to go1.19.5
• go1.18 defaults to go1.18.10

W-12400905

[joshwlewis]

$ sbin/sync-files.sh 
Getting bucket credentials
Syncing contents of s3:https://heroku-golang-prod/ to /Users/josh.lewis/code/heroku-buildpack-go/file-cache.
Ensuring the correct versions of all files specified in files.json
All files verified, syncing to s3

upload: ./go1.18.10.linux-amd64.tar.gz to s3:https://heroku-golang-prod/go1.18.10.linux-amd64.tar.gz
upload: ./go1.19.4.linux-amd64.tar.gz to s3:https://heroku-golang-prod/go1.19.4.linux-amd64.tar.gz
upload: ./go1.18.9.linux-amd64.tar.gz to s3:https://heroku-golang-prod/go1.18.9.linux-amd64.tar.gz
upload: ./go1.19.5.linux-amd64.tar.gz to s3:https://heroku-golang-prod/go1.19.5.linux-amd64.tar.gz