Nightly build 2025.02.07

What's Changed

Toolchain and implementation changes 🛠️

• Add a test and check-support for positional params with a return type by @danakj in #4899
• Support implicit conversion from a type value to a facet value by @danakj in #4863
• Fix comment on DeclNameAndParamsAfterImplicit by @danakj in #4904
• Combine DiagnosticConverter into DiagnosticEmitter by @jonmeow in #4878
• Diagnose var in interfaces by @geoffromer in #4907
• Cache calculated file state in LSP by @jonmeow in #4897

Infrastructure changes 🏗️

• Remove deprecated python_version setting by @jonmeow in #4905
• Fix bazel warning by @jonmeow in #4906

Full Changelog: v0.0.0-0.nightly.2025.02.06...v0.0.0-0.nightly.2025.02.07