Update tidy exceptions

Author: bjorn3

src/tools/tidy/src/deps.rs

@@ -200,6 +200,7 @@ const EXCEPTIONS_CRANELIFT: ExceptionList = &[
 ("cranelift-module","Apache-2.0 WITH LLVM-exception"),
 ("cranelift-native","Apache-2.0 WITH LLVM-exception"),
 ("cranelift-object","Apache-2.0 WITH LLVM-exception"),
+("cranelift-srcgen","Apache-2.0 WITH LLVM-exception"),
 ("foldhash","Zlib"),
 ("mach2","BSD-2-Clause OR MIT OR Apache-2.0"),
 ("regalloc2","Apache-2.0 WITH LLVM-exception"),
@@ -525,6 +526,7 @@ const PERMITTED_CRANELIFT_DEPENDENCIES: &[&str] = &[
 "cranelift-module",
 "cranelift-native",
 "cranelift-object",
+"cranelift-srcgen",
 "crc32fast",
 "equivalent",
 "fallible-iterator",