Bump mongodb-driver.version from 3.12.5 to 3.12.6

Bumps `mongodb-driver.version` from 3.12.5 to 3.12.6.

Updates `mongodb-driver` from 3.12.5 to 3.12.6
- [Release notes](https://github.com/mongodb/mongo-java-driver/releases)
- [Commits](mongodb/mongo-java-driver@r3.12.5...r3.12.6)

Updates `mongodb-driver-core` from 3.12.5 to 3.12.6
- [Release notes](https://github.com/mongodb/mongo-java-driver/releases)
- [Commits](mongodb/mongo-java-driver@r3.12.5...r3.12.6)

Updates `bson` from 3.12.5 to 3.12.6
- [Release notes](https://github.com/mongodb/mongo-java-driver/releases)
- [Commits](mongodb/mongo-java-driver@r3.12.5...r3.12.6)

Updates `mongo-java-driver` from 3.12.5 to 3.12.6
- [Release notes](https://github.com/mongodb/mongo-java-driver/releases)
- [Commits](mongodb/mongo-java-driver@r3.12.5...r3.12.6)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

pom.xml

@@ -40,7 +40,7 @@
         <liquibase.version>3.10.1</liquibase.version>
         <jupiter.version>5.6.2</jupiter.version>
         <jupiter.surefire.version>1.3.2</jupiter.surefire.version>
-        <mongodb-driver.version>3.12.5</mongodb-driver.version>
+        <mongodb-driver.version>3.12.6</mongodb-driver.version>
         <lombok.version>1.18.12</lombok.version>
         <hamcrest.version>1.3</hamcrest.version>
         <assertj.version>3.16.1</assertj.version>