Remove trailing whitespace

Remove single character of trailing whitespace.

Author: tcharding

.github/workflows/rust.yml

@@ -11,7 +11,7 @@ jobs:
         rust:
           - nightly
     steps:
-      - name: Checkout Crate 
+      - name: Checkout Crate
         uses: actions/checkout@v2
       - name: Checkout Toolchain
         uses: actions-rs/toolchain@v1