Format toml files (#30112)

* Add taplo fmt config for toml fmt

* fmt toml files

* Add even-better-toml to extensions recommendations

python/tidy/tests/Cargo.toml

@@ -8,4 +8,4 @@ publish = false
 test-package = { version = "*" }
 
 [lib]
-path = "lib.rs"
+path = "lib.rs"

python/tidy/tests/servo-tidy.toml

@@ -12,8 +12,8 @@ wrong-key = true
 
 [ignore]
 files = [
-  "./fake/file.html",
+    "./fake/file.html",
 ]
 directories = [
-  "./fake/dir",
+    "./fake/dir",
 ]