automation: Update matrix-synapse Docker tag to v1.93.0

This MR contains the following updates:

Package	Update	Change
matrix-synapse	minor	1.92.3 -> 1.93.0

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⚠ Dependency Lookup Warnings ⚠

Warnings were logged while processing this repo. Please check the Dependency Dashboard for more information.

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Release Notes

matrix-org/synapse

v1.93.0

Compare Source

No significant changes since 1.93.0rc1.

Security advisory

The following issues are fixed in 1.93.0 (and RCs).

• GHSA-4f74-84v3-j9q5 / CVE-2023-41335 — Low Severity

  Temporary storage of plaintext passwords during password changes.

• GHSA-7565-cq32-vx2x / CVE-2023-42453 — Low Severity

  Improper validation of receipts allows forged read receipts.

See the advisories for more details. If you have any questions, email security@matrix.org.

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