build(deps): bump reactour from 1.19.3 to 1.19.4 in /apps/OpenSign

Bumps [reactour](https://github.com/elrumordelaluz/reactour) from 1.19.3 to 1.19.4.
- [Release notes](https://github.com/elrumordelaluz/reactour/releases)
- [Commits](https://github.com/elrumordelaluz/reactour/commits)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

apps/OpenSign/package-lock.json

@@ -40,7 +40,7 @@
     "react-signature-canvas": "^1.0.6",
     "react-tooltip": "^5.26.4",
     "react-web-share": "^2.0.2",
-    "reactour": "^1.19.3",
+    "reactour": "^1.19.4",
     "redux": "^5.0.1",
     "redux-thunk": "^3.1.0",
     "regex-parser": "^2.3.0",