Add PHP builds to github actions

.github/workflows/build-php.yml

@@ -0,0 +1,46 @@
+name: build-php
+on:
+  push:
+    branches:
+      - "**"
+jobs:
+  build-linux:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      matrix:
+        operating-system: [ubuntu-latest]
+        php-version: ["8.2", "8.3", "8.4"]
+    name: PHP ${{ matrix.php-version }} build on ${{ matrix.operating-system }}
+    steps:
+      - name: Install PHP ${{ matrix.php-version }}
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-version }}
+      - name: Check PHP Version
+        run: php -v
+      - uses: actions/checkout@v3
+      - name: Configure toolchain
+        run: |
+          sudo apt update
+          cmake --version
+          python3 --version
+          pip3 list --outdated
+          pip3 install -U protobuf grpcio-tools
+          php --version
+      - name: Configure project
+        run: >
+          cmake -Cconfigs/php-config.cmake \
+              -DCMAKE_BUILD_TYPE=Release \
+              -DVIRGIL_PACKAGE_PLATFORM_ARCH=$(uname -m) \
+              -DVIRGIL_PACKAGE_LANGUAGE_VERSION=${{ matrix.php-version }} \
+              -DCPACK_OUTPUT_FILE_PREFIX=php \
+              -DENABLE_CLANGFORMAT=OFF \
+              -DED25519_AMD64_RADIX_64_24K=ON -DED25519_REF10=OFF \
+              -Bbuild -S.
+      - name: Build project
+        run: cmake --build build -- -j$(nproc)
+      - name: Test project
+        working-directory: build
+        run: ctest --verbose
+      - name: Package project
+        run: cpack