Build PS Vita release from GitHub Actions

.github/workflows/build_psvita.yml

@@ -0,0 +1,47 @@
+name: Build Sonic 1 and 2 for PS Vita
+on:
+  push:
+    branches:
+      - master
+      - main
+      - psvita
+
+jobs:
+  sonic1-psvita:
+    runs-on: ubuntu-latest
+    container: vitasdk/vitasdk:latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Install dependencies
+        run: apk add --no-cache make cmake
+      - name: Build Sonic 1
+        run: |
+          cd Sonic1.Vita
+          cmake .
+          make
+      - name: Upload VPK
+        uses: actions/upload-artifact@v2
+        with:
+          name: Sonic1-vita
+          path: Sonic1.Vita/Sonic1.vpk
+          if-no-files-found: error
+  sonic2-psvita:
+    runs-on: ubuntu-latest
+    container: vitasdk/vitasdk:latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Install dependencies
+        run: apk add --no-cache make cmake
+      - name: Build Sonic 2
+        run: |
+          cd Sonic2.Vita
+          cmake .
+          make
+      - name: Upload VPK
+        uses: actions/upload-artifact@v2
+        with:
+          name: sonic2-vita
+          path: Sonic2.Vita/Sonic2.vpk
+          if-no-files-found: error