Update James submodule to latest version

[github-actions]

This pull request updates the James SHA-1 submodule to the latest version.

[Arsnael]

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.13.0:testCompile (default-testCompile) on project combined-identity: Compilation failure: Compilation failure:
[ERROR] /home/jenkins/build/workspace/Tmail_build_PR-1639/tmail-backend/combined-identity/src/test/java/com/linagora/tmail/combined/identity/CombinedUsersRepositoryTest.java:[39,39] cannot find symbol
[ERROR] symbol: class CassandraUsersRepositoryModule
[ERROR] location: package org.apache.james.user.cassandra
[ERROR] /home/jenkins/build/workspace/Tmail_build_PR-1639/tmail-backend/combined-identity/src/test/java/com/linagora/tmail/combined/identity/CombinedUsersRepositoryTest.java:[68,87] cannot find symbol
[ERROR] symbol: variable CassandraUsersRepositoryModule
[ERROR] location: class com.linagora.tmail.combined.identity.CombinedUsersRepositoryTest
[ERROR] -> [Help 1]