Use the development dependency group for Snapper

Author: adamtheturtle

prek.toml

@@ -367,7 +367,7 @@ hooks = [
   {
     id = "snapper",
     name = "snapper",
-    entry = "uv run --group=snapper snapper --max-width 0 --in-place",
+    entry = "uv run --group=dev snapper --max-width 0 --in-place",
     language = "python",
     types_or = [
       "rst",

pyproject.toml

@@ -75,6 +75,7 @@ dev = [
     # use it to lint shell commands in GitHub workflow files.
     "shellcheck-py==0.11.0.1",
     "shfmt-py==4.1.0",
+    "snapper-fmt==0.11.0",
     "sphinx==9.1.0",
     "sphinx-copybutton==0.5.2",
     "sphinx-lint==1.0.2",
@@ -97,9 +98,6 @@ dev = [
     "zizmor==1.30.0",
 ]
 release = [ "check-wheel-contents==0.6.3", "towncrier==26.9.0" ]
-snapper = [
-    "snapper-fmt==0.11.0",
-]
 
 [tool.setuptools]
 packages.find.where = [