minor(deps): update dependency prometheus/mysqld_exporter to v0.15.0

[renovate]

This PR contains the following updates:

Package	Update	Change
prometheus/mysqld_exporter	minor	0.14.0 -> 0.15.0

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Release Notes

prometheus/mysqld_exporter (prometheus/mysqld_exporter)

v0.15.0

Compare Source

BREAKING CHANGES:

The exporter no longer supports the monolithic DATA_SOURCE_NAME environment variable.
To configure connections to MySQL you can either use a my.cnf style config file or command line arguments.

For example:

export MYSQLD_EXPORTER_PASSWORD=secret
mysqld_exporter --mysqld.address=localhost:3306 --mysqld.username=exporter

We have also dropped some internal scrape metrics:

• mysql_exporter_scrapes_total
• mysql_exporter_scrape_errors_total
• mysql_last_scrape_failed

The default client configuration file is now .my.cnf in the process working directory. Use --config.my-cnf="$HOME/.my.cnf" to retain the previous default.

Changes:

• [CHANGE] Allow tlsCfg.InsecureSkipVerify outside of mTLS #​631
• [CHANGE] Update to exporter-toolkit v0.8.1 #​677
• [CHANGE] Fix shared metrics between requests #​722
• [CHANGE] Allow empty passwords #​742
• [CHANGE] Don't use HOME env in the my-cnf config path. #​745
• [FEATURE] Add support for collecting metrics from sys.user_summary #​628
• [FEATURE] Support for multi-target mysqld probes #​651
• [FEATURE] Add MySQL TLS configurations #​718
• [FEATURE] Add config reload via /-/reload #​734
• [ENHANCEMENT] Add UNIX domain socket support for multi-target scraping #​707
• [ENHANCEMENT] Use STRAIGHT_JOIN in infoSchemaAutoIncrementQuery #​726
• [BUGFIX] Fix infoSchemaInnodbMetricsEnabledColumnQuery #​687
• [BUGFIX] Allow empty passwords #​742

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[bothippie]

🎉 This PR is included in version 1.2.0 🎉

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