Nightly build 2024.09.12

What's Changed

Toolchain and implementation changes 🛠️

• Parse support for where operator by @josh11b in #4275
• Switch CARBON_VLOG to support a format string API. by @chandlerc in #4283
• Migrate all CARBON_VLOG to the format string variant. by @chandlerc in #4284
• add additional testdata for access checks by @brymer-meneses in #4297
• Add parse support for multiple requirements after where separated by and by @josh11b in #4298
• Break out driver environment info into its own type. by @jonmeow in #4299
• Only allow designators when parsing where __ = ... by @josh11b in #4304

Documentation changes 📝

• Update the talk list by @jonmeow in #4279

Full Changelog: v0.0.0-0.nightly.2024.09.11...v0.0.0-0.nightly.2024.09.12