Bump the all-github-actions group with 3 updates

Bumps the all-github-actions group with 3 updates: [dtolnay/rust-toolchain](https://github.com/dtolnay/rust-toolchain), [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `dtolnay/rust-toolchain` from 02cb101ec7c40f2c49e1d9714d64511d8e1b74de to 683b588c487a69d01f6c6ddf40f036ff682cc2c8
- [Release notes](https://github.com/dtolnay/rust-toolchain/releases)
- [Commits](https://github.com/dtolnay/rust-toolchain/compare/02cb101ec7c40f2c49e1d9714d64511d8e1b74de...683b588c487a69d01f6c6ddf40f036ff682cc2c8)

Updates `actions/upload-artifact` from 7.0.1 to 7.0.2
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/043fb46d1a93c77aae656e7c1c64a875d1fc6a0a...cf430e030ddbb5b0abf93d22962f4752f3646cd9)

Updates `actions/download-artifact` from 8.0.1 to 8.0.2
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c...9000827ccba6bdab643e8b6fd33ac0654aef8333)

---
updated-dependencies:
- dependency-name: dtolnay/rust-toolchain
  dependency-version: 683b588c487a69d01f6c6ddf40f036ff682cc2c8
  dependency-type: direct:production
  dependency-group: all-github-actions
- dependency-name: actions/upload-artifact
  dependency-version: 7.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-github-actions
- dependency-name: actions/download-artifact
  dependency-version: 8.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/schema_diff_comment.yml

@@ -34,7 +34,7 @@ jobs:
     steps:
       - name: Download schema diff artifact
         id: download
-        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
         with:
           name: schema-diff
           path: schema-diff