ci: update MSRV matrix from 1.85 to 1.94

Author: Sephyi

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        rust: [stable, "1.85"]
+        rust: [stable, "1.94"]
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master