GHA: switch to ubuntu-22.04 as primary image
Ubuntu-20.04 will be EoL in 9 months, therefore let's use the next LTS version as default.
Images for ubuntu-24.04 are available, so use them also for building the compiler.
diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 71748e8..c4ff747 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -14,7 +14,7 @@
jobs:
compiler:
- runs-on: ubuntu-20.04
+ runs-on: ubuntu-22.04
steps:
- uses: actions/checkout@v4