build(deps): bump phoenix from 1.7.18 to 1.7.19 in /assets

Bumps [phoenix](https://github.com/phoenixframework/phoenix) from 1.7.18 to 1.7.19.
- [Release notes](https://github.com/phoenixframework/phoenix/releases)
- [Changelog](https://github.com/phoenixframework/phoenix/blob/v1.7.19/CHANGELOG.md)
- [Commits](phoenixframework/phoenix@v1.7.18...v1.7.19)

---
updated-dependencies:
- dependency-name: phoenix
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

assets/package-lock.json

@@ -6,7 +6,7 @@
     "watch": "webpack --mode development --watch"
   },
   "dependencies": {
-    "phoenix": "1.7.18",
+    "phoenix": "1.7.19",
     "phoenix_html": "4.2.0",
     "phoenix_live_view": "1.0.2",
     "topbar": "^3.0.0"