github actions: try C++26/gcc-16 tests

Author: trueqbit

.github/workflows/ci.yaml

@@ -111,6 +111,15 @@ jobs:
             install_compiler: true
             compiler_package: g++-10
 
+          - name: "gcc-16, C++26"
+            os: ubuntu-24.04
+            cc: gcc-16
+            cxx: g++-16
+            cxx_standard: "-DSQLITE_ORM_ENABLE_CXX_26=ON"
+            install_compiler: true
+            compiler_package: g++-16
+            compiler_ppa: ppa:ubuntu-toolchain-r/test
+
     name: Linux - ${{ matrix.name }}
 
     env:
@@ -124,11 +133,14 @@ jobs:
       - name: Install compiler
         if: matrix.install_compiler
         run: |
+          if [ -n "${{ matrix.compiler_ppa }}" ]; then
+            sudo add-apt-repository -y ${{ matrix.compiler_ppa }}
+          fi
           sudo apt-get update
           sudo apt-get install -y ${{ matrix.compiler_package }}
 
       - name: Setup vcpkg
-        uses: lukka/run-vcpkg@v11
+        uses: lukka/run-vcpkg@v11.6
         with:
           vcpkgGitCommitId: ${{ env.VCPKG_COMMIT }}
           vcpkgDirectory: ${{ runner.temp }}/vcpkg