#fedibird elastic-sudachiのv7.4.0-1.3.1が出たので、更新するなど。

sudo /usr/share/elasticsearch/bin/elasticsearch-plugin remove analysis-sudachi

sudo apt-mark unhold elasticsearch
sudo apt update
sudo apt upgrade
sudo apt-mark hold elasticsearch

sudo /usr/share/elasticsearch/bin/elasticsearch-plugin install https://github.com/WorksApplications/elasticsearch-sudachi/releases/download/v7.4.0-1.3.1/analysis-sudachi-elasticsearch7.4-1.3.1.zip

sudo systemctl restart elasticsearch.service