Typo: tangental should be tangential (#842)

* Typo: tangental should be tangential

* Run executor tests in serial

* Fix typo in image file names

src/wasm-lib/kcl/src/std/mod.rs

@@ -63,8 +63,8 @@ impl StdLib {
             Box::new(crate::std::sketch::StartProfileAt),
             Box::new(crate::std::sketch::Close),
             Box::new(crate::std::sketch::Arc),
-            Box::new(crate::std::sketch::TangentalArc),
-            Box::new(crate::std::sketch::TangentalArcTo),
+            Box::new(crate::std::sketch::TangentialArc),
+            Box::new(crate::std::sketch::TangentialArcTo),
             Box::new(crate::std::sketch::BezierCurve),
             Box::new(crate::std::math::Cos),
             Box::new(crate::std::math::Sin),