Bump io.r2dbc:r2dbc-mssql in /modules/mssqlserver

Bumps [io.r2dbc:r2dbc-mssql](https://github.com/r2dbc/r2dbc-mssql) from 1.0.2.RELEASE to 1.0.3.RELEASE.
- [Release notes](https://github.com/r2dbc/r2dbc-mssql/releases)
- [Changelog](https://github.com/r2dbc/r2dbc-mssql/blob/v1.0.3.RELEASE/CHANGELOG)
- [Commits](r2dbc/r2dbc-mssql@v1.0.2.RELEASE...v1.0.3.RELEASE)

---
updated-dependencies:
- dependency-name: io.r2dbc:r2dbc-mssql
  dependency-version: 1.0.3.RELEASE
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

modules/mssqlserver/build.gradle

@@ -4,13 +4,13 @@ dependencies {
     api project(':testcontainers-jdbc')
 
     compileOnly project(':testcontainers-r2dbc')
-    compileOnly 'io.r2dbc:r2dbc-mssql:1.0.2.RELEASE'
+    compileOnly 'io.r2dbc:r2dbc-mssql:1.0.3.RELEASE'
 
     testImplementation project(':testcontainers-jdbc-test')
     testImplementation 'com.microsoft.sqlserver:mssql-jdbc:13.2.0.jre8'
 
     testImplementation project(':testcontainers-r2dbc')
-    testRuntimeOnly 'io.r2dbc:r2dbc-mssql:1.0.2.RELEASE'
+    testRuntimeOnly 'io.r2dbc:r2dbc-mssql:1.0.3.RELEASE'
 
     // MSSQL's wait strategy requires the JDBC driver
     testImplementation testFixtures(project(':testcontainers-r2dbc'))