allow version numbers that start with 23 or 24

[t0nghe]

Description

On Anki version 23.10 and onwards, “Syntax Highlighting for Code” addon fails to load. This is due to addon_path not being correctly handled.

This bug is fixed by allowing version numbers that start with 23 and 24.

Checklist:

Please replace the space inside the brackets with an x and fill out the ellipses if the following items apply:

• I've read and understood the contribution guidelines
• I've tested my changes against at least one of the following Anki builds:
  • Latest standard Anki 23.12.1 binary build
  • Latest standard Anki 2.1 binary build [required for Anki-compatible 2.1 add-ons]
  • Latest alternative Anki 2.1 binary build
  • Latest Anki 2.0 binary build [required for Anki 2.0-compatible add-ons]
• I've tested my changes on at least one of the following platforms:
  • Linux, version:
  • Windows, version:
  • macOS, version: 13.0.1
• My changes potentially affect non-desktop platforms, of which I've tested:
  • AnkiMobile, version:
  • AnkiDroid, version:
  • AnkiWeb

[t0nghe]

PR #47 does the same thing and it seems better.