v17.6.1.168-cli

What's Changed

• feat: add transaction ID age to postgres_exporter by @valigula in #2375
• AMI: Clean up messy apt handling by @mmlb in #2351
• packer: Use dist-upgrade instead of upgrade by @mmlb in #2353
• AMI: Pin down uid/gid values when creating users/groups by @mmlb in #2412

Full Changelog: 15.14.1.167-x86...v17.6.1.168-cli