add a compiler warning CI

.github/workflows/compiler-warnings.yml

@@ -0,0 +1,39 @@
+name: "compiler warnings"
+
+on: [pull_request]
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.head_ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+
+jobs:
+  compiler_warnings:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Get submodules
+        run: |
+          git submodule update --init
+          cd external/Microphysics
+          git fetch; git checkout development
+          cd ../amrex
+          git fetch; git checkout development
+          cd ../..
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update -y -qq
+          sudo apt-get -qq -y install curl g++>=9.3.0
+
+      - name: Compile wdconvect
+        run: |
+          cd Exec/science/wdconvect
+          make USE_MPI=FALSE USE_OMP=FALSE DEBUG=TRUE WARN_ALL=TRUE WARN_ERROR=TRUE -j 4
+
+      - name: Compile reacting_bubble
+        run: |
+          cd Exec/test_problems/reacting_bubble
+          make USE_MPI=FALSE USE_OMP=FALSE DEBUG=TRUE DIM=2 WARN_ALL=TRUE WARN_ERROR=TRUE -j 4