chore: release v0.31.0

[github-actions]

🤖 New release

• timely_bytes: 0.30.0 -> 0.31.0
• timely_container: 0.30.0 -> 0.31.0
• timely_logging: 0.30.0 -> 0.31.0
• timely_communication: 0.30.0 -> 0.31.0
• timely: 0.30.0 -> 0.31.0 (⚠ API breaking changes)

⚠ timely breaking changes

--- failure constructible_struct_adds_field: externally-constructible struct adds field ---

Description:
A pub struct constructible with a struct literal has a new pub field. Existing struct literals must be updated to include the new field.
        ref: https://doc.rust-lang.org/reference/expressions/struct-expr.html
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.48.0/src/lints/constructible_struct_adds_field.ron

Failed in:
  field PortConnectivityContainer.entries in /tmp/.tmpiOQ6Ry/timely-dataflow/timely/src/progress/operate.rs:144
  field PortConnectivityReference.entries in /tmp/.tmpiOQ6Ry/timely-dataflow/timely/src/progress/operate.rs:144

--- failure inherent_method_missing: pub method removed or renamed ---

Description:
A publicly-visible method or associated fn is no longer available under its prior name. It may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.48.0/src/lints/inherent_method_missing.ron

Failed in:
  PortConnectivity::insert, previously in file /tmp/.tmpLBlNBK/timely/src/progress/operate.rs:93
  PortConnectivity::insert_ref, previously in file /tmp/.tmpLBlNBK/timely/src/progress/operate.rs:97
  PortConnectivity::add_port, previously in file /tmp/.tmpLBlNBK/timely/src/progress/operate.rs:101

--- failure struct_pub_field_missing: pub struct's pub field removed or renamed ---

Description:
A publicly-visible struct has at least one public field that is no longer available under its prior name. It may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.48.0/src/lints/struct_pub_field_missing.ron

Failed in:
  field tree of struct PortConnectivityContainer, previously in file /tmp/.tmpLBlNBK/timely/src/progress/operate.rs:80
  field tree of struct PortConnectivityReference, previously in file /tmp/.tmpLBlNBK/timely/src/progress/operate.rs:80

Changelog

timely

0.31.0 - 2026-06-12

Other

• trim bookkeeping vector capacities at build (#806)
• Several instances of .clone() removed. (#805)
• Add a consuming iterator for PortConnectivity; move summaries rather than clone (#804)
• Replace BTreeMap in PortConnectivity with a sorted Vec; semi-naive iteration replacing in-place updates (#802)

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This PR was generated with release-plz.