ci: ensure msrv check workflow with R installed (#1341)

Author: eitsupi

.github/workflows/msrv.yaml

@@ -21,7 +21,7 @@ permissions:
 
 jobs:
   test-min-rust-version:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
       - uses: baptiste0928/cargo-install@v3