message: Don't pin clippy version
diff: @@ -25,7 +25,7 @@ libc = "0.2"
  libhdf5-lib = { path = "libhdf5-lib", version = "0.2.0" }
  libhdf5-sys = { path = "libhdf5-sys", version = "0.2.0" }
  remutex = { path = "remutex", version = "0.1.1" }
  -clippy = { version = "^0.0.98", optional = true }
  +clippy = { version = "*", optional = true }
  [dependencies.num]
  version = "0.1"
  