Update racket-setup to version 0.10

The naming convention for current builds has changed and the package was
updated.

See also: https://groups.google.com/g/racket-users/c/k_o3Ug-lK_s

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
         racket-variant: ["regular", "CS"]
     steps:
       - uses: actions/checkout@v2
-      - uses: Bogdanp/setup-racket@v0.8
+      - uses: Bogdanp/setup-racket@v0.10
         with:
           architecture: x64
           distribution: minimal