Increase recommended Rust toolchain to 1.80.0

[mulkieran]

• Fix any newly introduced compiler or clippy errors (CLIPPY_FIX=1 make clippy and refine procedure for automatically applying clippy changes):

  • devicemapper-rs: Fix clippy lints for Rust 1.80 devicemapper-rs#928
  • libblkid-rs
  • libcryptsetup-rs
  • loopdev-3
  • stratisd

• Give karma for f40 Rust release: https://bodhi.fedoraproject.org/updates/FEDORA-2024-6bf9d82595

• Bump current development toolchain in GitHub workflows

  • devicemapper-rs
  • libblkid-rs
  • libcryptsetup-rs
  • loopdev-3
  • stratisd
  • stratis-cli

[bgurney-rh]

No clippy or compiler errors for loopdev-3 or libblkid-rs.