v1.23.0 Added Shielded VM support and improve HTCondor module

What's Changed

Key New Features 🎉

• Star ccm update to include Slurm by @jrossthomson in #1644

Module Improvements 🔨

• Add Shielded VM support to Packer module by @tpdownes in #1682
• Add Shielded VM features to HTCondor modules by @tpdownes in #1704

Improvements 🛠

• Support network_storage runners in HTCondor modules by @tpdownes in #1696
• hpc-enterprise-slurm gpu fix by @cboneti in #1691

Version Updates ⏫

• Bump slurm-gcp to 5.7.6 (from 5.7.5) by @jvilarru in #1673

Other changes

• Update reference version to v1.23.0 by @harshthakkar01 in #1761
• Release v1.23.0 by @harshthakkar01 in #1762

Full Changelog: v1.22.1...v1.23.0