fixed URL

Signed-off-by: Matt Butcher <matt.butcher@microsoft.com>

Author: technosophos

.github/workflows/grain.yml

@@ -16,10 +16,10 @@ jobs:
           url: "https://github.com/grain-lang/grain/releases/download/grain-v0.3.2/grain-linux-x64"
       - uses: engineerd/configurator@v0.0.7
         with:
-          name: "grain"
-          url: "https://github.com/bytecodealliance/wasmtime/releases/download/v0.27.0/wasmtime-v0.27.0-x86_64-linux.tar.gz"
+          name: "wasmtime"
+          url: "https://github.com/bytecodealliance/wasmtime/releases/download/v0.27.0/wasmtime-v0.27.0-x86_64-linux.tar.xz?.tar.gz"
       - name: Testing
         run: |
           wasmtime --version
           grain --version
-          make test
+          make test