Update data for Database technical area labled on dbdb.io and DB-Engines Ranking up to August 29, 2024 and update database/index.yml.

[birdflyi]

Fix #1610

Batch label data: Incrementally add labeled repositories into the database technology.
Update Data:

• Update labeled data of Opensource DBMS with a github repo link based on dbdb.io and DB-Engines up to August 29, 2024.
• Update database/index.yml: import the new label "Columnar" from DB-Engines.

Filter conditions:

• Collected by dbdb.io on August 29, 2024 OR Rankings in the DB-Engines Rankings table on August 29, 2024;
• Has open source license;
• Has repository link on GitHub;
• The increment relative to the version [Batch Label Data] Add more label data for Database technical area labled on dbdb.io and DB-Engines Ranking up to July 31, 2024. #1599 on July 31, 2024.

Features:

• Add 1 new label "Columnar" imported from DB-Engines into database/index.yml.
• Update 1 repository name with labels in ["Document", "Search Engine"].
• Move "gridgain/gridgain" from "Key-value" to "Columnar".
• Add 4 new repositories with labels in ["Document", "Key-value", "Wide column"].

[frank-zsy]

LGTM. Thanks for the update.