v1.2.20

What's Changed

• chore: update notification template by @jkaninda in #121
• docs: update Kubernetes deployments by @jkaninda in #122
• docs: update email notification example by @jkaninda in #123
• docs: update restoration supported extensions by @jkaninda in #124
• doc: update s3 storage deployment example by @jkaninda in #128
• chore: replace prune and keep-last flags by BACKUP_RETENTION_DAYS env… by @jkaninda in #129
• chore: add command usage error by @jkaninda in #130

Full Changelog: v1.2.19...v1.2.20