From 20a6cdabad2ce39a886a1bfe1c1f12b559738cd9 Mon Sep 17 00:00:00 2001
From: fanquake <fanquake@gmail.com>
Date: Wed, 16 Apr 2025 14:03:26 +0100
Subject: [PATCH] ci: drop usage of ubuntu:20.04

Support for this has been removed by GitHub:
https://github.com/actions/runner-images/issues/11101.
---
 .github/workflows/rust_custom_mutator.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/rust_custom_mutator.yml b/.github/workflows/rust_custom_mutator.yml
index 7c2f0c12..f5c16a1e 100644
--- a/.github/workflows/rust_custom_mutator.yml
+++ b/.github/workflows/rust_custom_mutator.yml
@@ -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