ci: update to ubuntu-latest

We were doing that everywhere already except for the 'rustfmt' runner.
rust-lang · Apr 15, 2023 · fd1d95b · fd1d95b
1 parent 9582040
commit fd1d95b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -177,7 +177,7 @@ jobs:
 
   rustfmt:
     name: rustfmt
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
       uses: actions/checkout@v3