ci: drop usage of ubuntu:20.04

Support for this has been removed by GitHub:
https://github.com/actions/runner-images/issues/11101.
This commit is contained in:
fanquake 2025-04-16 14:03:26 +01:00
parent db94ec9cad
commit 20a6cdabad
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@ -18,7 +18,7 @@ jobs:
working-directory: custom_mutators/rust
strategy:
matrix:
os: [ubuntu-22.04, ubuntu-20.04]
os: [ubuntu-22.04]
steps:
- uses: actions/checkout@v3
- name: Install Rust Toolchain