Bump @types/bootstrap from 5.1.2 to 5.1.9 (#591)

Bumps [@types/bootstrap](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/bootstrap) from 5.1.2 to 5.1.9.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/bootstrap)

---
updated-dependencies:
- dependency-name: "@types/bootstrap"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -18,7 +18,7 @@
     "@babel/plugin-transform-runtime": "^7.16.5",
     "@babel/preset-env": "^7.16.11",
     "@babel/runtime": "^7.14.6",
-    "@types/bootstrap": "^5.1.2",
+    "@types/bootstrap": "^5.1.9",
     "@types/jquery": "^3.5.10",
     "@types/ol": "^6.5.3",
     "@types/papaparse": "^5.3.2",