message: Rename command to generate RustDocs in `CodegenTestCommon.kt`
  The command is `cargo doc`, not `cargo docs`.
diff: @@ -61,7 +61,7 @@ private fun generateSmithyBuild(projectDir: String, pluginName: String, tests: L
  enum class Cargo(val toString: String) {
  CHECK("cargoCheck"),
  TEST("cargoTest"),
  - DOCS("cargoDocs"),
  + DOCS("cargoDoc"),
  CLIPPY("cargoClippy");
  }
  @@ -102,9 +102,9 @@ fun cargoCommands(properties: PropertyRetriever): List<Cargo> {
  when (it) {
  "check" -> Cargo.CHECK
  "test" -> Cargo.TEST
  - "docs" -> Cargo.DOCS
  + "doc" -> Cargo.DOCS
  "clippy" -> Cargo.CLIPPY
  - else -> throw IllegalArgumentException("Unexpected Cargo command `$it` (valid commands are `check`, `test`, `docs`, `clippy`)")
  + else -> throw IllegalArgumentException("Unexpected Cargo command `$it` (valid commands are `check`, `test`, `doc`, `clippy`)")
  }
  }
  