Disable ci tests for msrv since testing dependencies have higher msrvs

Author: johnhurt

.github/workflows/build.yml

@@ -37,7 +37,8 @@ jobs:
         run: cargo fmt --all -- --check
 
       - name: Run cargo test
-        run: cargo test --verbose --lib --bins --tests --no-fail-fast
+        run:
+          [[ ${{ matrix.toolchain }} != 1.74 ]] || (cargo test --verbose --lib --bins --tests --no-fail-fast)
 
       # Need to run doc tests separately.
       # (https://github.com/rust-lang/cargo/issues/6669)