Update STB to cci.20240213

[gagoi]

Specify library name and version: STB/cci.20240213

Simple update with latest stb commit available. The recipe version number is the date of the commit in the official repository.

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• I've read the contributing guidelines.
• I've used a recent Conan client version close to the currently deployed.
• I've tried at least one configuration locally with the conan-center hook activated.

[conan-center-bot]

Conan v1 pipeline ✔️

All green in build 1 (e91ade34114a4f9f88ba7b2f91c6e1de9b1ee6c2):

• stb/cci.20240213:
  All packages built successfully! (All logs)

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Conan v2 pipeline ✔️

Note: Conan v2 builds are now mandatory. Please read our discussion about it.

All green in build 1 (e91ade34114a4f9f88ba7b2f91c6e1de9b1ee6c2):

• stb/cci.20240213:
  All packages built successfully! (All logs)

[RubenRBS]

Thanks a lot for adding new versions. Maybe someday they'll tag a release :)