ci: check build with gcc-15

Author: art049

.github/workflows/ci.yml

@@ -171,6 +171,27 @@ jobs:
 
       - run: cargo build --locked --release --bin cargo-codspeed --target ${{ matrix.target }}
 
+  gcc15-build-check:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - uses: moonrepo/setup-rust@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install GCC 15
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y software-properties-common
+          sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
+          sudo apt-get update
+          sudo apt-get install -y gcc-15 g++-15
+
+      - name: Build with GCC 15
+        run: CC=gcc-15 CXX=g++-15 cargo build -p codspeed --locked --release
+
   check:
     runs-on: ubuntu-latest
     if: always()
@@ -182,6 +203,7 @@ jobs:
       - compat-integration-test-instrumentation
       - compat-integration-test-walltime
       - musl-build-check
+      - gcc15-build-check
     steps:
       - uses: re-actors/alls-green@release/v1
         with: