Move one more workflow to 22.04

Author: rpavlik

.github/workflows/rust.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: EmbarkStudios/cargo-deny-action@v2
 
   build-linux:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
       - uses: actions/checkout@v4