Update bookdown/bookdown requirement from 1.x-dev as 1.0.0 to 1.1.1 a…

…s 1.0.0

Updates the requirements on [bookdown/bookdown](https://github.com/bookdown/Bookdown.Bookdown) to permit the latest version.
- [Release notes](https://github.com/bookdown/Bookdown.Bookdown/releases)
- [Changelog](https://github.com/bookdown/Bookdown.Bookdown/blob/1.x/CHANGELOG.md)
- [Commits](bookdown/Bookdown.Bookdown@1.0.0...1.1.1)

---
updated-dependencies:
- dependency-name: bookdown/bookdown
  dependency-type: direct:development
...

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

composer.json

@@ -65,7 +65,7 @@
     "prooph/pdo-event-store": "^1.12",
     "phpunit/phpunit": "^8 || ^9",
     "symfony/yaml" : "^3.4 || ^4.4 || ^5.2",
-    "bookdown/bookdown": "1.x-dev as 1.0.0",
+    "bookdown/bookdown": "1.1.1 as 1.0.0",
     "prooph/bookdown-template": "^0.2.3",
     "friendsofphp/php-cs-fixer": "^2.8.1",
     "prooph/php-cs-fixer-config": "^0.4",