Update CI to use PureScript 0.14.0-rc5

Author: thomashoneyman

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Set up PureScript toolchain
         uses: purescript-contrib/setup-purescript@main
         with:
-          purescript: "0.14.0-rc3"
+          purescript: "0.14.0-rc5"
 
       - name: Cache PureScript dependencies
         uses: actions/cache@v2