fix: Do not install language-data by default

Author: georgkrause

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install
-        run: pip install .[test]
+        run: pip install .[test,data]
       - name: Run tests
         run: pytest --junitxml=junit/test-results-${{ matrix.python-version }}.xml --cov=language_data --cov-report=xml:junit/coverage-${{ matrix.python-version }}.xml
       - name: Upload 

pyproject.toml

@@ -17,9 +17,6 @@ classifiers = [
 dynamic = ["version"]
 
 requires-python = ">= 3.9"
-dependencies = [
-  "language-data>=1.2"
-]
 
 [project.urls]
 Homepage = "https://github.com/georgkrause/langcodes"
@@ -35,6 +32,9 @@ build = [
   'build',
   'twine'
 ]
+data = [
+  "language-data>=1.2"
+]
 
 [build-system]
 requires = ["setuptools>=60", "setuptools-scm>=8.0"]