Bump mssql-jdbc from 11.2.1.jre8 to 12.1.0.jre8-preview

Bumps [mssql-jdbc](https://github.com/Microsoft/mssql-jdbc) from 11.2.1.jre8 to 12.1.0.jre8-preview.
- [Release notes](https://github.com/Microsoft/mssql-jdbc/releases)
- [Changelog](https://github.com/microsoft/mssql-jdbc/blob/main/CHANGELOG.md)
- [Commits](https://github.com/Microsoft/mssql-jdbc/commits)

---
updated-dependencies:
- dependency-name: com.microsoft.sqlserver:mssql-jdbc
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -13,7 +13,7 @@
 
     <groupId>org.exist-db</groupId>
     <artifactId>exist-mssql-jdbc-driver</artifactId>
-    <version>11.2.1.jre8</version>
+    <version>12.1.0.jre8-preview</version>
 
     <name>Microsoft SQL Server JDBC Driver</name>
     <description>Microsoft SQL Server JDBC Driver for eXist-db</description>