Drop upper version bounds on dependencies (GH-2718)

They mostly cause unnecessary trouble.

Co-authored-by: Richard Si <63936253+ichard26@users.noreply.github.com>

CHANGES.md

@@ -18,6 +18,10 @@
 - Unparenthesized tuples on annotated assignments (e.g
   `values: Tuple[int, ...] = 1, 2, 3`) now implies 3.8+ (#2708)
 
+### Packaging
+
+- All upper version bounds on dependencies have been removed (#2718)
+
 ## 21.12b0
 
 ### _Black_

setup.py

@@ -99,9 +99,9 @@ def find_python_files(base: Path) -> List[Path]:
     install_requires=[
         "click>=7.1.2",
         "platformdirs>=2",
-        "tomli>=1.1.0,<3.0.0",
+        "tomli>=1.1.0",
         "typed-ast>=1.4.2; python_version < '3.8' and implementation_name == 'cpython'",
-        "pathspec>=0.9.0, <1",
+        "pathspec>=0.9.0",
         "dataclasses>=0.6; python_version < '3.7'",
         "typing_extensions>=3.10.0.0",
         # 3.10.0.1 is broken on at least Python 3.10,