pin test cargo-nextest version to 0.9.91

Author: pereman2

xtask/src/main.rs

@@ -76,7 +76,7 @@ fn build_wasm(_arg: &str) -> Result<()> {
 
 fn run_tests(arg: &str) -> Result<()> {
     println!("installing nextest");
-    run_cargo(&["install", "cargo-nextest"])?;
+    run_cargo(&["install", "cargo-nextest@0.9.91"])?;
     println!("running nextest run");
     run_cargo(&["nextest", "run", arg])?;