test with several typst compiler versions in CI

Author: wisp3rwind

.github/workflows/tests.yml

@@ -9,7 +9,7 @@ jobs:
   tests:
     strategy:
       matrix:
-        typst-version: ["0.13"]
+        typst-version: ["0.12", 0.13", "latest"]
         # the docs don't need to build with all versions supported by the package;
         # the latest one is enough
         # include:
@@ -46,6 +46,7 @@ jobs:
         uses: typst-community/setup-typst@v4
         with:
           typst-version: ${{ matrix.typst-version }}
+          allow-prereleases: true
 
       - name: Run test suite
         run: just test