Reformat (minor, after replacing black with ruff)

Black dependency created a dependabot warning and couldn't be bumped since it collided with pathspec dependencies. Since ruff can also format, black is not needed. But we now have these small format changes, mostly in test files

scripts/print_language_list.py

@@ -7,7 +7,7 @@ from solidlsp.ls_config import Language
 if __name__ == "__main__":
     lang_strings = sorted([l.value for l in Language])
     max_len = max(len(s) for s in lang_strings)
-    fmt = f"%-{max_len+2}s"
+    fmt = f"%-{max_len + 2}s"
     for i, l in enumerate(lang_strings):
         if i % 5 == 0:
             print("\n# ", end="")