Rename testenvs to all follow similar naming style

Author: AWhetter

README.rst

@@ -83,7 +83,7 @@ You can check your formatting using black's check mode:
 
 .. code-block:: bash
 
-    tox -e formatting
+    tox -e format
 
 You can also get black to format your changes for you:
 

docs/changes/+9b32031d.misc

@@ -0,0 +1 @@
+Rename testenvs to all follow similar naming style

tox.ini

@@ -3,10 +3,10 @@ isolated_build = true
 envlist =
     # Keep this in sync with .github/workflows/main.yml
     py{38,39,310,311,312,313}
-    formatting
+    format
     typecheck
     lint
-    docs
+    doc
     release_notes
 
 [gh-actions]
@@ -15,7 +15,7 @@ python =
     3.9: py39
     3.10: py310
     3.11: py311
-    3.12: py312, formatting, typecheck, lint, docs, release_notes
+    3.12: py312, format, typecheck, lint, doc, release_notes
     3.13: py313
 
 [testenv]
@@ -26,7 +26,7 @@ deps =
 commands =
     pytest {posargs}
 
-[testenv:formatting]
+[testenv:format]
 skip_install = true
 deps =
     black
@@ -48,7 +48,7 @@ deps =
 commands =
     mypy {posargs:autoapi}
 
-[testenv:docs]
+[testenv:doc]
 extras =
     docs
 deps =