deps: update migrate/migrate Docker tag to v4.15.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
migrate/migrate	final	patch	v4.15.0 -> v4.15.1

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Release Notes

golang-migrate/migrate

v4.15.1

Compare Source

Changes

Database Drivers

• Update gosnowflake from v1.4.3 to v1.6.3 to fix security warnings (#​632 & #​637). Thanks @​nicholas-mainardi and @​obitech for reporting the issue!
• Add unofficial support for AWS Keyspaces to the Cassandra DB driver by DELETEing the schema version table instead of using TRUNCATE thanks to @​florentsolt and @​Baumanar (#​634)

Docker Image

• Fixed CLI binary file location (https://github.com/golang-migrate/migrate/issues/625) thanks to @​Fontinalis (https://github.com/golang-migrate/migrate/pull/628)

Builds

• Update dktest to v0.3.7 to fix security warnings (#​632). Thanks @​nicholas-mainardi for reporting the issue!

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