message: ci: bump minimum toolchain to 1.57
  This bumps MSRV to 1.57, which is currently available in Fedora 35.
diff: @@ -13,7 +13,7 @@ permissions:
  env:
  CARGO_TERM_COLOR: always
  # Minimum supported Rust version (MSRV)
  - ACTION_MSRV_TOOLCHAIN: 1.53.0
  + ACTION_MSRV_TOOLCHAIN: 1.57.0
  # Pinned toolchain for linting
  ACTION_LINTS_TOOLCHAIN: 1.58.0
  