openssh-keys v0.6.0
Changes:
- cargo: allow md-5 and sha2 0.10
- cargo: explicitly set
sign-tag
- dependabot: switch to weekly cadence
- git: rename
master
branch tomain
- github/ISSUE_TEMPLATE: add release checklist
- lib: Support Hardware Security Keys
- templates: release process updates
- workflows: bump MSRV and lint toolchain