Support Drupal 11

Problem/Motivation

Getting test failures running CI from the Rivet theme.

Example: https://git.drupalcode.org/project/rivet/-/jobs/3056815

Your requirements could not be resolved to an installable set of packages.
  Problem 1
    - Root composer.json requires drupal/core-recommended 11.0.5 -> satisfiable by drupal/core-recommended[11.0.5].
    - Root composer.json requires drupal/iu_paragraphs * -> satisfiable by drupal/iu_paragraphs[dev-1.x, dev-2.0.x, dev-2.1.x, dev-2.2.x, 1.x-dev (alias of dev-1.x), 2.0.0, ..., 2.2.x-dev].
    - drupal/core[8.0.0-beta13, ..., 8.0.0-beta15] require guzzlehttp/guzzle dev-master#1879fbe853b0c64d109e369c7aeff09849e62d1e -> found guzzlehttp/guzzle[dev-set-cookie-typing, dev-test, v1.0.3, v1.0.4, v2.0.0, ..., v2.8.8, v3.0.0, ..., v3.8.1, 4.0.0-rc.1, ..., 4.x-dev, 5.0.0, ..., 5.3.x-dev, 6.0.0, ..., 6.5.x-dev, 7.0.0-beta.1, ..., 7.9.x-dev, 8.0.x-dev] but it does not match the constraint.
    - drupal/core 8.0.0-beta6 requires doctrine/common dev-master#a45d110f71c323e29f41eb0696fa230e3fa1b1b5 -> found doctrine/common[dev-remove-int-cast, dev-dependabot/github_actions/doctrine/dot-github-5.2.0, dev-3.4.x-merge-up-into-3.5.x_ERxP2qhI, dev-3.4.x-merge-up-into-3.5.x_Nw2dYaQO, 2.1.3, ..., 2.13.x-dev, 3.0.0, ..., 3.5.x-dev] but it does not match the constraint.
    - drupal/core[8.2.0-beta1, ..., 8.3.x-dev] require symfony-cmf/routing ~1.4 -> satisfiable by symfony-cmf/routing[1.4.0-RC1, ..., 1.4.x-dev].
    - drupal/core[8.4.0-alpha1, ..., 8.7.7] require symfony-cmf/routing ^1.4 -> satisfiable by symfony-cmf/routing[1.4.0-RC1, ..., 1.4.x-dev].
    - drupal/core[8.7.8, ..., 8.9.10] require symfony/psr-http-message-bridge ^1.1.2 -> satisfiable by symfony/psr-http-message-bridge[v1.1.2, 1.1.x-dev, v1.2.0, v1.3.0].
    - drupal/core[8.8.0-alpha1, ..., 8.8.x-dev] require zendframework/zend-feed ^2.12 -> satisfiable by laminas/laminas-feed[2.12.0, ..., 2.24.x-dev], zendframework/zend-feed[2.12.0, 2.12.x-dev, 2.13.x-dev].
    - drupal/core[8.9.11, ..., 8.9.x-dev] require php ^7.0.8 -> your php version (8.3.12) does not satisfy that requirement.
    - drupal/core[9.0.0-alpha1, ..., 9.0.0-alpha2] require symfony/psr-http-message-bridge ^1.2.0 -> satisfiable by symfony/psr-http-message-bridge[v1.2.0, v1.3.0].
    - drupal/core[9.0.10, ..., 9.0.x-dev] require php ^7.3 -> your php version (8.3.12) does not satisfy that requirement.
    - drupal/core-recommended 11.0.5 requires drupal/core 11.0.5 -> satisfiable by drupal/core[11.0.5].
    - drupal/iu_paragraphs[2.0.0, ..., 2.0.3] require drupal/core ^8 || ^9 -> satisfiable by drupal/core[8.0.0-beta6, ..., 8.9.x-dev, 9.0.0-alpha1, ..., 9.5.x-dev].
    - drupal/iu_paragraphs[dev-2.0.x, 2.0.4, ..., 2.1.6] require drupal/core ^9.1.0-alpha1 -> satisfiable by drupal/core[9.1.0-alpha1, ..., 9.5.x-dev].
    - drupal/iu_paragraphs[dev-2.1.x, dev-2.2.x, 2.1.7, ..., 2.2.x-dev] require drupal/core ^9.1 || ^10 -> satisfiable by drupal/core[9.1.0-alpha1, ..., 9.5.x-dev, 10.0.0-alpha1, ..., 10.4.x-dev].
    - drupal/iu_paragraphs[dev-1.x, 1.x-dev] require drupal/core ^8 -> satisfiable by drupal/core[8.0.0-beta6, ..., 8.9.x-dev].
    - laminas/laminas-feed[2.12.0, ..., 2.12.x-dev] require php ^5.6 || ^7.0 -> your php version (8.3.12) does not satisfy that requirement.
    - zendframework/zend-feed[dev-master, dev-develop, 2.11.0, ..., 2.13.x-dev] require php ^5.6 || ^7.0 -> your php version (8.3.12) does not satisfy that requirement.
    - laminas/laminas-feed[2.13.0, ..., 2.14.x-dev] require php ^7.3 || ~8.0.0 -> your php version (8.3.12) does not satisfy that requirement.
    - symfony-cmf/routing[1.4.0-RC1, ..., 1.4.x-dev] require php ^5.3.9|^7.0 -> your php version (8.3.12) does not satisfy that requirement.
    - symfony/psr-http-message-bridge[v1.1.0, ..., 1.1.x-dev] require php ^5.3.3 || ^7.0 -> your php version (8.3.12) does not satisfy that requirement.
    - symfony/psr-http-message-bridge[v1.2.0, ..., v1.3.0] require php ^7.1 -> your php version (8.3.12) does not satisfy that requirement.
    - You can only install one version of a package, so only one of these can be installed: drupal/core[8.0.0-beta6, ..., 8.9.x-dev, 9.0.0-alpha1, ..., 9.5.x-dev, 10.0.0-alpha1, ..., 10.4.x-dev, 11.0.0-alpha1, ..., 11.x-dev].
    - You can only install one version of a package, so only one of these can be installed: drupal/core[8.0.0-beta12, ..., 8.9.x-dev, 9.0.0-alpha1, ..., 9.5.x-dev, 10.0.0-alpha1, ..., 10.4.x-dev, 11.0.0-alpha1, ..., 11.x-dev].
    - You can only install one version of a package, so only one of these can be installed: drupal/core[8.1.2, ..., 8.9.x-dev, 9.0.0-alpha1, ..., 9.5.x-dev, 10.0.0-alpha1, ..., 10.4.x-dev, 11.0.0-alpha1, ..., 11.x-dev].
    - You can only install one version of a package, so only one of these can be installed: drupal/core[8.1.8, ..., 8.9.x-dev, 9.0.0-alpha1, ..., 9.5.x-dev, 10.0.0-alpha1, ..., 10.4.x-dev, 11.0.0-alpha1, ..., 11.x-dev].
    - You can only install one version of a package, so only one of these can be installed: drupal/core[8.7.0-alpha1, ..., 8.9.x-dev, 9.0.0-alpha1, ..., 9.5.x-dev, 10.0.0-alpha1, ..., 10.4.x-dev, 11.0.0-alpha1, ..., 11.x-dev].
    - drupal/iu_paragraphs 1.x-dev is an alias of drupal/iu_paragraphs dev-1.x and thus requires it to be installed too.
Uploading artifacts for failed job

Proposed resolution

Add Support for Drupal 11 to IU Paragraphs.

Remaining tasks

User interface changes

API changes

Data model changes