CI: Change build trigger to a release

Author: Snowy

.github/workflows/build.yaml

@@ -1,8 +1,12 @@
 name: "Build Engine"
-on: ["workflow_dispatch"]
+on:
+  release:
+    types: [published]
 jobs:
   build-windows:
     runs-on: windows-latest
+    permissions:
+      contents: write  # Needed for release upload
     steps:
       - name: "Checkout files"
         uses: actions/checkout@v4
@@ -78,22 +82,24 @@ jobs:
             --msvc-version=14.3 `
             --windows-sdk=10
 
-      - name: "Upload Installer"
-        uses: actions/upload-artifact@v4
-        with:
-          name: "panda3d-windows-installer"
-          path: "Panda3D-1.11.0-py3.11-x64.exe"
-          if-no-files-found: "error"
+      - name: Rename Panda Binaries
+        shell: powershell
+        run: |
+          Rename-Item Panda3D-1.11.0-py3.11-x64.exe            Panda3d-Windows-x64-${{ github.ref_name }}.exe
+          Rename-Item panda3d-1.11.0-cp311-cp311-win_amd64.whl Panda3d-Windows-x64-${{ github.ref_name }}.whl
 
-      - name: "Upload Wheel"
-        uses: actions/upload-artifact@v4
-        with:
-          name: "panda3d-windows-wheel"
-          path: "panda3d-1.11.0-cp311-cp311-win_amd64.whl"
-          if-no-files-found: "error"
+      - name: Upload Panda Binaries
+        shell: powershell
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release upload ${{ github.ref_name }} Panda3d-Windows-x64-${{ github.ref_name }}.exe
+          gh release upload ${{ github.ref_name }} Panda3d-Windows-x64-${{ github.ref_name }}.whl
 
   build-linux:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write  # Needed for release upload
     steps:
       - name: Checkout files
         uses: actions/checkout@v4
@@ -186,17 +192,15 @@ jobs:
             --use-toontown \
             --python-incdir="$pythonLocation/include" \
             --python-libdir="$pythonLocation/lib"
-            
-      - name: "Upload Installer"
-        uses: actions/upload-artifact@v4
-        with:
-          name: "panda3d-linux-installer"
-          path: "panda3d1.11_1.11.0_amd64.deb"
-          if-no-files-found: "error"
 
-      - name: "Upload Wheel"
-        uses: actions/upload-artifact@v4
-        with:
-          name: "panda3d-linux-wheel"
-          path: "panda3d-1.11.0-cp311-cp311-linux_x86_64.whl"
-          if-no-files-found: "error"
+      - name: Rename Panda Binaries
+        run: |
+          mv panda3d1.11_1.11.0_amd64.deb                Panda3D-Linux-x64-${{ github.ref_name }}.deb
+          mv panda3d-1.11.0-cp311-cp311-linux_x86_64.whl Panda3D-Linux-x64-${{ github.ref_name }}.whl
+
+      - name: Upload Panda Binaries
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release upload ${{ github.ref_name }} Panda3D-Linux-x64-${{ github.ref_name }}.deb
+          gh release upload ${{ github.ref_name }} Panda3D-Linux-x64-${{ github.ref_name }}.whl