Add timsort/1.2.2 and timsort/2.0.2

[Morwenn]

Specify library name and versions: timsort/1.2.2 and timsort/2.0.2

The standard version checks in the conanfile.py were also moved from the configure() method to the new validate() method.

• I've read the guidelines for contributing.
• I've followed the PEP8 style guides for Python code in the recipes.
• I've used the latest Conan client version.
• I've tried at least one configuration locally with the
  conan-center hook activated.

[conan-center-bot]

All green in build 1 (9eeb5af3508ee5d2e53b3c114c8bff70865badcf)! 😊

• timsort/1.2.0: Generated 1 packages. All logs here
• timsort/1.2.1: Generated 1 packages. All logs here
• timsort/1.2.2: Generated 1 packages. All logs here
• timsort/2.0.0: Generated 1 packages. All logs here
• timsort/2.0.1: Generated 1 packages. All logs here
• timsort/2.0.2: Generated 1 packages. All logs here