corrscope: Add explicit passthru.updateScript

Whatever updateScript this was inheriting from being a Python package produced changes that were nonsense.
(attempts to bump from 0.11.0 (2025) to python5-macos (2023))

pkgs/by-name/co/corrscope/package.nix

@@ -2,6 +2,7 @@
   stdenv,
   lib,
   fetchFromGitHub,
+  gitUpdater,
   ffmpeg,
   python3Packages,
   qt6Packages,
@@ -74,12 +75,18 @@ python3Packages.buildPythonApplication (finalAttrs: {
     )
   '';
 
-  passthru.tests.version = testers.testVersion {
-    package = corrscope;
-    # Tries writing to
-    # - $HOME/.local/share/corrscope on Linux
-    # - $HOME/Library/Application Support/corrscope on Darwin
-    command = "env HOME=$TMPDIR ${lib.getExe corrscope} --version";
+  passthru = {
+    tests.version = testers.testVersion {
+      package = corrscope;
+      # Tries writing to
+      # - $HOME/.local/share/corrscope on Linux
+      # - $HOME/Library/Application Support/corrscope on Darwin
+      command = "env HOME=$TMPDIR ${lib.getExe corrscope} --version";
+    };
+
+    updateScript = gitUpdater {
+      allowedVersions = "^[0-9.]+$";
+    };
   };
 
   meta = {