Add premake5 installation step in build workflow

Added step to install premake5 for Windows/Linux builds.

.github/workflows/build.yml

@@ -49,6 +49,14 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: recursive
+      # -----------------------
+      - name: Install premake5 for Windows/Linux builds
+        run: |
+          apt-get update
+          apt-get install -y premake5
+          # Verify installation
+          premake5 --version
+      # -----------------------
       - uses: actions/cache@v4
         id: plugin-version-cache
         with: