Temporarily disable debug-assertions in Tokio (#13147)

This is to work around tokio-rs/tokio#8061 while the fix is not yet
merged/published.

Author: alexcrichton

Cargo.toml

@@ -703,6 +703,12 @@ debug-assertions = false
 overflow-checks = false
 opt-level = 's'
 
+# FIXME(tokio-rs/tokio#8062): once that gets merged, published, and updated here
+# then this can be removed. Otherwise this is causing spurious failures on CI at
+# this time.
+[profile.dev.package.tokio]
+debug-assertions = false
+
 [profile.profiling]
 inherits = "bench"
 debug = "line-tables-only"