use compiler name

Author: waahm7

.github/workflows/ci.yml

@@ -90,7 +90,7 @@ jobs:
     - name: Build ${{ env.PACKAGE_NAME }}
       run: |
         aws s3 cp s3://aws-crt-test-stuff/ci/${{ env.BUILDER_VERSION }}/linux-container-ci.sh ./linux-container-ci.sh && chmod a+x ./linux-container-ci.sh
-        ./linux-container-ci.sh ${{ env.BUILDER_VERSION }} aws-crt-${{ env.LINUX_BASE_IMAGE }} build -p ${{ env.PACKAGE_NAME }} --compiler=${{ matrix.variant.name }} ${{ matrix.variant.extra-build-flag }}
+        ./linux-container-ci.sh ${{ env.BUILDER_VERSION }} aws-crt-${{ env.LINUX_BASE_IMAGE }} build -p ${{ env.PACKAGE_NAME }} --compiler=${{ matrix.compiler.name }} ${{ matrix.compiler.extra-build-flag }}
 
   clang-sanitizers:
     runs-on: ubuntu-24.04 # latest