Increase recommended Rust toolchain to 1.65.0

[mulkieran]

• Fix any newly introduced compiler or clippy errors.
  • devicemapper-rs
  • libblkid-rs
  • libcryptsetup-rs
  • stratisd
  • stratis-docs (because now we need to build zola from source)
• Give karma for f36 release: https://bodhi.fedoraproject.org/updates/FEDORA-2022-240038331f
• Bump current development toolchain in GitHub workflows