juliac: add CI configuration for compiling and running runic

.github/workflows/Test.yml

@@ -45,3 +45,26 @@ jobs:
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         if: ${{ matrix.version == '1' && matrix.os == 'ubuntu-latest' }}
+  juliac:
+    name: juliac - ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macOS-latest
+    steps:
+      - uses: actions/checkout@v4
+      # - uses: julia-actions/setup-julia@v2
+      #   with:
+      #     version: 'nightly'
+      - uses: julia-actions/install-juliaup@v2
+        with:
+          channel: 'pr55047' # https://github.com/JuliaLang/julia/pull/55047
+      - uses: julia-actions/cache@v2
+      - name: Compile Runic with juliac
+        run: |
+          make -C juliac
+      - name: Smoke test compiled binary
+        run: |
+          ./juliac/runicc --check --diff .