[Submodules] Bump the all-submodules group with 3 updates (#22949)

Bumps the all-submodules group with 3 updates: [plugins/VisitorGenerator](https://github.com/matomo-org/plugin-VisitorGenerator), [plugins/CustomAlerts](https://github.com/matomo-org/plugin-CustomAlerts) and [plugins/TagManager](https://github.com/matomo-org/tag-manager).


Updates `plugins/VisitorGenerator` from `3743fd8` to `5aedb57`
- [Release notes](https://github.com/matomo-org/plugin-VisitorGenerator/releases)
- [Commits](matomo-org/plugin-VisitorGenerator@3743fd8...5aedb57)

Updates `plugins/CustomAlerts` from `67de9f3` to `ea0759b`
- [Release notes](https://github.com/matomo-org/plugin-CustomAlerts/releases)
- [Commits](matomo-org/plugin-CustomAlerts@67de9f3...ea0759b)

Updates `plugins/TagManager` from `97a83f0` to `b8319d8`
- [Commits](matomo-org/tag-manager@97a83f0...b8319d8)

---
updated-dependencies:
- dependency-name: plugins/VisitorGenerator
  dependency-type: direct:production
  dependency-group: all-submodules
- dependency-name: plugins/CustomAlerts
  dependency-type: direct:production
  dependency-group: all-submodules
- dependency-name: plugins/TagManager
  dependency-type: direct:production
  dependency-group: all-submodules
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>