Update dependency go-gitea/gitea to v1.18.3

This MR contains the following updates:

Package	Type	Update	Change
go-gitea/gitea	ironbank-github	patch	v1.18.2 -> v1.18.3
go-gitea/gitea		patch	v1.18.2 -> v1.18.3

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Release Notes

go-gitea/gitea

v1.18.3

Compare Source

• SECURITY
  • Prevent multiple To recipients (#​22566) (#​22569)
• BUGFIXES
  • Truncate commit summary on repo files table. (#​22551) (#​22552)
  • Mute all links in issue timeline (#​22534)

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