Try using symbol mangling fix in integ tets too

Author: Sushisource

.github/workflows/per-pr.yml

@@ -113,7 +113,15 @@ jobs:
           # TODO: Upgrade proto once https://github.com/arduino/setup-protoc/issues/99 is fixed
           version: "23.x"
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-
+      # Workaround for https://github.com/actions/runner-images/issues/12432
+      # from https://github.com/rust-lang/rust/issues/141626#issuecomment-2919419236
+      # Visual Studio bug tracker https://developercommunity.visualstudio.com/t/Regression-from-1943:-linkexe-crashes/10912960
+      - name: Setup RUSTFLAGS (Windows)
+        if: runner.os == 'Windows'
+        uses: actions/github-script@v7
+        with:
+          script: |
+            core.exportVariable('RUSTFLAGS', '-Csymbol-mangling-version=v0');
       - uses: Swatinem/rust-cache@v2
       - run: cargo integ-test