Update dependency build to v1.3.0 (#432)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [build](https://redirect.github.com/pypa/build)
([changelog](https://build.pypa.io/en/stable/changelog.html)) |
`==1.2.2.post1` -> `==1.3.0` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/build/1.3.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/build/1.2.2.post1/1.3.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>pypa/build (build)</summary>

###
[`v1.3.0`](https://redirect.github.com/pypa/build/blob/HEAD/CHANGELOG.rst#130-2025-08-01)

[Compare
Source](https://redirect.github.com/pypa/build/compare/1.2.2.post1...1.3.0)

\==================

- Add `--config-json`
  (PR :pr:`916`, fixes issue :issue:`900`)
- Drop Python 3.8
  (PR :pr:`891`)
- Test on Python 3.14, colorful help on 3.14+
  (PR :pr:`895`)
- Fix `ModuleNotFoundError` when `pip` is not installed
  (PR :pr:`898`)
- Disable use of `pip install --python` for debundled pip
  (PR :pr:`861`)
- Don't pass no-wheel to virtualenv if it would warn
  (PR :pr:`892`)
- Optimize our tests to run faster
  (PR :pr:`871`, :pr:`872`, :pr:`738`)
- Allow running our tests without virtualenv
  (PR :pr:`911`)
- Fix issues in our tests
(PR :pr:`824`, :pr:`918`, :pr:`870`, :pr:`915`, :pr:`862`, :pr:`863`,
:pr:`899`, :pr:`896`, :pr:`854`)
- Use SPDX identifiers for our license metadata
  (PR :pr:`914`)
- Use dependency-groups for our development
  (PR :pr:`880`)
- Mention conda and update uv mention in README/docs
  (PR :pr:`842`, :pr:`816`, :pr:`917`)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/lettuce-financial/github-bot-signed-commit).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS40Ni4zIiwidXBkYXRlZEluVmVyIjoiNDEuNDYuMyIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==-->

Author: lettuce-bot[bot]

pyproject.toml

@@ -16,7 +16,7 @@ dependencies = [
 [project.optional-dependencies]
 
 dist = [
-  "build==1.2.2.post1",
+  "build==1.3.0",
 ]
 
 style = [