Update dependency org.simplejavamail:simple-java-mail to v9.3.1

[xdev-renovate]

This PR contains the following updates:

Package	Type	Update	Change
org.simplejavamail:simple-java-mail (source)	test	patch	9.3.0 → 9.3.1

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Release Notes

bbottema/simple-java-mail (org.simplejavamail:simple-java-mail)

v9.3.1

Compare Source

• v9.3.1: Java 8-compatible JPMS build-tool maintenance: updated Maven Antrun Plugin from 3.1.0 to 3.2.0 (#​700) and Maven Dependency Plugin from 3.8.1 to 3.11.0 (#​701).
• v9.3.0: #​698: Standalone batch-module API: added BatchTransportExecutor for applications that build their own Jakarta Mail messages but want clustered or exact-Session callbacks, futures, automatic connection release/invalidation, and deterministic lifecycle management.

Supporting Libraries

• v9.3.0 — smtp-connection-pool 4.0.1: adopted the explicit SmtpTransportLease contract used by both the standalone facade and the existing Simple Java Mail Mailer integration. The complete generic, clustered, SMTP, and batch dependency chain now publishes stable JPMS automatic module names. The Jakarta smtppool provider remains a parallel choice and must not be nested beneath the batch-owned pool.

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