Add myself to the review rotation

Author: tgross35

triagebot.toml

@@ -1,6 +1,9 @@
 [relabel]
 allow-unauthenticated = [
-    "C-*", "O-*", "S-*", "stable-nominated"
+    "C-*",
+    "O-*",
+    "S-*",
+    "stable-nominated",
 ]
 
 [autolabel."S-waiting-on-review"]
@@ -10,7 +13,10 @@ new_pr = true
 contributing_url = "https://github.com/rust-lang/libc/blob/HEAD/CONTRIBUTING.md"
 
 [assign.owners]
-"*" = ["@JohnTitor"]
+"*" = [
+    "@JohnTitor",
+    "@tgross35",
+]
 
 [mentions."src/unix/bsd/netbsdlike/openbsd"]
 message = "Some changes occurred in OpenBSD module"