fix(journal-importer): cap field size when checking

[deepin-ci-robot]

Summary

Backport upstream security fix to cap field size in journal-importer,
preventing potential DoS via oversized fields (yeswehack YWH-PGM9780-82).

Changes

• Add debian/patches/fix-journal-importer-cap-field-size.patch
• Modify debian/patches/series
• Modify debian/changelog

Upstream

systemd/systemd@5d316943

Generated-By: glm-5-turbo
Co-Authored-By: deepin-ci-robot packages@deepin.org

[github-actions]

TAG Bot

TAG: 255.2-4deepin31
EXISTED: no
DISTRIBUTION: unstable

[deepin-ci-robot]

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[deepin-community-ci-bot]

TAG Bot

New tag: 255.2-4deepin32
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #63

[deepin-community-ci-bot]

TAG Bot

New tag: 255.2-4deepin33
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #64

[deepin-community-ci-bot]

TAG Bot

New tag: 255.2-4deepin34
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #65

[deepin-community-ci-bot]

TAG Bot

New tag: 255.2-4deepin35
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #66

[deepin-community-ci-bot]

TAG Bot

New tag: 255.2-4deepin36
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #67