0.3-alpha

And un-pin the landing page's version test: it named 0.2-alpha as the
string to replace in VERSION, so the first bump after it was written
failed the suite. It reads the file now, which is what the test is about
in the first place.

manager/core/VERSION

@@ -1 +1 @@
-0.2-alpha
+0.3-alpha

tests/test_site_landing.py

@@ -209,10 +209,13 @@ class ChangingASourceChangesThePage(ScratchCase):
         return (self.repo.out / "index.html").read_text("utf-8")
 
     def test_editing_the_version_file_moves_the_version_on_the_page(self):
-        self.repo.edit("manager/core/VERSION", "0.2-alpha", "9.9-rc1")
+        """Read the version rather than naming one: a test that pins the
+        current version is a test that fails on the next release."""
+        version = text_of(REPO / "manager" / "core" / "VERSION").strip()
+        self.repo.edit("manager/core/VERSION", version, "9.9-rc1")
         self.assertEqual(0, self.repo.build().returncode)
         self.assertIn("9.9-rc1", self.home())
-        self.assertNotIn("0.2-alpha", self.home())
+        self.assertNotIn(version, self.home())
 
     def test_editing_the_readme_moves_the_command_on_the_page(self):
         self.repo.edit("README.md", "mkdir .task-manager && curl -L \\",