Renable GHA steps

Replace "host" with "host/WASI Python", as done in Platforms/WASI
command line.

Author: vstinner

.github/workflows/reusable-wasi.yml

@@ -55,12 +55,12 @@ jobs:
       run: python3 Platforms/WASI make-build-python
     - name: "Display build info of the build Python"
       run: python3 Platforms/WASI pythoninfo-build
-    - name: "Configure host"
+    - name: "Configure host/WASI Python"
       # `--with-pydebug` inferred from configure-build-python
       run: python3 Platforms/WASI configure-host -- --config-cache
       env:
         WASI_SDK_PATH: ${{ steps.install-wasi-sdk.outputs.wasi-sdk-path }}
-    - name: "Make host"
+    - name: "Make host/WASI Python"
       run: python3 Platforms/WASI make-host
     - name: "Display build info of the host/WASI Python"
       run: python3 Platforms/WASI pythoninfo-host