Format toml files (#30112)

* Add taplo fmt config for toml fmt

* fmt toml files

* Add even-better-toml to extensions recommendations

taplo.toml

@@ -0,0 +1,9 @@
+# upstream files we should not format
+exclude = ["third_party/**", "tests/**"]
+
+[formatting]
+array_auto_collapse = false
+array_auto_expand = false
+align_comments = false
+column_width = 120
+indent_string = "    "