MAINT: reduce indentation in tox.ini

tox.ini

@@ -1,36 +1,36 @@
 [tox]
 envlist =
-    sty,
+  sty,
 passenv = PYTHONPATH
 skip_install = True
 skip_missing_interpreters = True
 skipsdist = True
 
 [testenv:nb]
 allowlist_externals =
-    pytest
+  pytest
 commands =
-    pytest {posargs}
+  pytest {posargs}
 description =
-    Run all notebooks with pytest
+  Run all notebooks with pytest
 passenv =
-    *
+  *
 
 [testenv:sty]
 allowlist_externals =
-    pre-commit
+  pre-commit
 commands =
-    pre-commit run {posargs} -a
+  pre-commit run {posargs} -a
 passenv =
-    *
+  *
 
 [testenv:update-constraints]
 allowlist_externals =
-    uv
+  uv
 commands =
-    uv pip compile requirements.in -o requirements.txt --no-annotate --strip-extras --upgrade
-    uv pip compile binder/requirements.in -o binder/requirements.txt --no-annotate --strip-extras --upgrade
+  uv pip compile requirements.in -o requirements.txt --no-annotate --strip-extras --upgrade
+  uv pip compile binder/requirements.in -o binder/requirements.txt --no-annotate --strip-extras --upgrade
 description =
-    Update all pip constraint files`
+  Update all pip constraint files`
 passenv =
-    *
+  *