Switch dependency docopt to docopt-ng

- docopt is unmaintained and giving SyntaxWarnings

uv.lock

@@ -17,17 +17,20 @@ source = { registry = "https://pypi.org/simple" }
 sdist = { url = "https://files.pythonhosted.org/packages/38/17/aadd0c6190dca91aa27c4d7e84d69d30fdf4966e7764247cdc395f8fe7d9/cwcwidth-0.1.5.tar.gz", hash = "sha256:2c840e7d85f6de45c45986b416d79312c91882e1121b78d4c347e49c4238c09d", size = 11071, upload-time = "2021-10-10T16:46:56.825Z" }
 
 [[package]]
-name = "docopt"
-version = "0.6.2"
+name = "docopt-ng"
+version = "0.9.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/a2/55/8f8cab2afd404cf578136ef2cc5dfb50baa1761b68c9da1fb1e4eed343c9/docopt-0.6.2.tar.gz", hash = "sha256:49b3a825280bd66b3aa83585ef59c4a8c82f2c8a522dbe754a8bc8d08c85c491", size = 25901, upload-time = "2014-06-16T11:18:57.406Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/e4/50/8d6806cf13138127692ae6ff79ddeb4e25eb3b0bcc3c1bd033e7e04531a9/docopt_ng-0.9.0.tar.gz", hash = "sha256:91c6da10b5bb6f2e9e25345829fb8278c78af019f6fc40887ad49b060483b1d7", size = 32264, upload-time = "2023-05-30T20:46:25.064Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/6c/4a/c3b77fc1a24510b08918b43a473410c0168f6e657118807015f1f1edceea/docopt_ng-0.9.0-py3-none-any.whl", hash = "sha256:bfe4c8b03f9fca424c24ee0b4ffa84bf7391cb18c29ce0f6a8227a3b01b81ff9", size = 16689, upload-time = "2023-05-30T20:46:45.294Z" },
+]
 
 [[package]]
 name = "eris"
 version = "2025.6.3"
 source = { editable = "." }
 dependencies = [
-    { name = "docopt" },
+    { name = "docopt-ng" },
     { name = "fill3" },
     { name = "lscolors" },
     { name = "pexpect" },
@@ -39,7 +42,7 @@ dependencies = [
 
 [package.metadata]
 requires-dist = [
-    { name = "docopt", specifier = "==0.6.2" },
+    { name = "docopt-ng", specifier = "==0.9.0" },
     { name = "fill3", editable = "fill3" },
     { name = "lscolors", editable = "lscolors" },
     { name = "pexpect", specifier = "==4.9.0" },