build(deps): bump @blueprintjs/core from 4.18.0 to 4.19.0 (#1741)

* build(deps): bump @blueprintjs/core from 4.18.0 to 4.19.0

Bumps [@blueprintjs/core](https://github.com/palantir/blueprint/tree/HEAD/packages/core) from 4.18.0 to 4.19.0.
- [Release notes](https://github.com/palantir/blueprint/releases)
- [Changelog](https://github.com/palantir/blueprint/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/palantir/blueprint/commits/@blueprintjs/core@4.19.0/packages/core)

---
updated-dependencies:
- dependency-name: "@blueprintjs/core"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* replace use of deprecated Toaster type

Fixes breaking change where Toaster is now both a class and an interface.

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: David Lechner <david@pybricks.com>

package.json

@@ -9,7 +9,7 @@
     },
     "dependencies": {
         "@babel/core": "^7.21.8",
-        "@blueprintjs/core": "^4.18.0",
+        "@blueprintjs/core": "^4.19.0",
         "@blueprintjs/popover2": "^1.14.2",
         "@blueprintjs/select": "^4.9.15",
         "@pmmmwh/react-refresh-webpack-plugin": "^0.5.10",