Nightly build 2024.12.04

What's Changed

Toolchain and implementation changes 🛠️

• Support for stringifying int values used as generic arguments. by @zygoloid in #4614
• Factor out machinery for forming int type literals. by @zygoloid in #4616
• Use a Timings* in place of optional* by @danakj in #4607
• Add framework for singleton instructions. by @jonmeow in #4582
• Remove Parse::Node, add ElementIndex in docs for typed insts by @danakj in #4604
• Add comments on the constants for BlockValueStore by @danakj in #4605
• Introduce AnyRawId as a polymorphic field type in typed instructions by @danakj in #4606
• More instructions get named by @josh11b in #4615
• Restrict the Cpp package name by @jonmeow in #4618
• Facet types support rewrite (where .A =...) constraints by @josh11b in #4613
• Remove return_slot_id by @geoffromer in #4577

Documentation changes 📝

• Explain bazel is an alias to bazelisk, and recommend that for linux by @danakj in #4603

Infrastructure changes 🏗️

• Switch from bazeliskrc to bazelversion by @jonmeow in #4612
• Enable libc++ hardening mode in opt builds by @danakj in #4609

Full Changelog: v0.0.0-0.nightly.2024.12.03...v0.0.0-0.nightly.2024.12.04