Rust: Correct 'from' model to taint.

Author: geoffw0

rust/ql/lib/codeql/rust/frameworks/stdlib/lang-core.model.yml

@@ -12,7 +12,7 @@ extensions:
       - ["<alloc::string::String as core::convert::Into>::into", "Argument[self].Element", "ReturnValue.Element", "taint", "manual"]
       - ["<alloc::string::String as core::convert::Into>::into", "Argument[self].Reference.Element", "ReturnValue.Element", "taint", "manual"]
       # From
-      - ["<_ as core::convert::From>::from", "Argument[0]", "ReturnValue", "value", "manual"]
+      - ["<_ as core::convert::From>::from", "Argument[0]", "ReturnValue", "taint", "manual"]
       # Iterator
       - ["<core::result::Result>::iter", "Argument[self].Element", "ReturnValue.Element", "value", "manual"]
       - ["<alloc::vec::Vec as value_trait::array::Array>::iter", "Argument[self].Element", "ReturnValue.Element", "value", "manual"]