[duckdblabs-bot]

This PR bumps the duckdb submodules and .github/workflows/MainDistributionPipeline.yml to v2.0.0.

Fix this PR yourself

Maintainers cannot push to the bot's branch. To take this PR over, start from its commits:

git fetch https://github.com/duckdblabs-bot/duckdb-postgres duckdb-bump/main
git switch -c duckdb-bump/main FETCH_HEAD
# commit your fix, then push to your own fork
git push -u <your-fork> duckdb-bump/main
gh pr create --repo duckdb/duckdb-postgres --base main --title '[AUTOMATED_BUMP] Bump submodules for v2.0.0'

Keep the title: the bot recognises your PR as this one and stays out of the way. Then close this PR.

This PR was automatically created by the release/extensions/extension_util.py script in duckdb-automations.