22.2.0

Various fixes & improvements

• fix: unbound variable _group in reset/dc-detect-version script (#1283) (#1284) by @lovetodream
• Remove routing helper (#1323) by @chadwhitacre
• Bump nginx:1.21.6-alpine (#1319) by @aminvakil
• Add a cloudbuild.yaml for GCB (#1315) by @chadwhitacre
• Update set-up-and-migrate-database.sh (#1308) by @drmrbrewer
• Pull relay explicitly to avoid garbage in creds (#1301) by @chadwhitacre
• Improve logging of docker versions and relay creds (#1298) by @chadwhitacre
• Remove file again (#1299) by @chadwhitacre
• Clean up relay credentials generation (#1289) by @chadwhitacre
• Add CI compose version 1.29.2 / 2.0.1 / 2.2.3 (#1290) by @chadwhitacre
• Revert "Add CI compose version 1.29.2 / 2.0.1 / 2.2.3 (#1251)" (#1272) by @chadwhitacre
• Add CI compose version 1.29.2 / 2.0.1 / 2.2.3 (#1251) by @aminvakil