CI: compile with LLVM 15

sebastianpoeplau · sebastianpoeplau · commit 98ba4484e094 · 2023-02-21T10:04:00.000Z
It's now available in Ubuntu 22.04.
diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        llvm_version: [11, 12, 13, 14]
+        llvm_version: [11, 12, 13, 14, 15]
     steps:
       - uses: actions/checkout@v3
         with:
