feat: add Temporal 1.32 upgrade path

[Copilot]

Temporal 1.32.0 is now supported as the next sequential server upgrade from the 1.31 line.

• Compatibility matrix

  • Register 1.32.0 with 1.31 as its allowed upgrade source.
  • Add matching UI, dev-server CLI, schema, and removed dynamic-config metadata.
  • Regenerate the Go version matrix.

• Upgrade coverage

  • Move the upgrade example and Chainsaw scenario from 1.30 → 1.31 to 1.31 → 1.32.
  • Extend nightly upgrade coverage for 1.31.2 → 1.32.0.

• Configuration coverage

  • Add 1.32 config-rendering golden files and version-matrix assertions.

- version: "1.32"
  patchVersions: ["1.32.0"]
  allowedFromVersions: ["1.31"]