CI: build.yml no longer invokes itself, always produce artifact (#243)

- Build check is now a separate workflow
- Build with release config instead of debug
- Upload artifacts

.github/workflows/build.yml

@@ -1,18 +1,6 @@
 name: Build Cemu
 
 on:
-  pull_request:
-    paths-ignore:
-      - "*.md"
-    types:
-      - opened
-      - synchronize
-      - reopened
-  push:
-    paths-ignore:
-      - "*.md"
-    branches:
-      - main
   workflow_call:
     inputs:
       deploymode:

.github/workflows/build_check.yml

@@ -0,0 +1,21 @@
+name: Build check
+on: 
+  pull_request:
+    paths-ignore:
+      - "*.md"
+    types:
+      - opened
+      - synchronize
+      - reopened
+  push:
+    paths-ignore:
+      - "*.md"
+    branches:
+      - main
+
+jobs:
+  build:
+    uses: ./.github/workflows/build.yml
+    with:
+      deploymode: release
+      experimentalversion: 999999