chore(deps): bump github.com/pdfcpu/pdfcpu from 0.14.0 to 0.15.0

[dependabot]

Bumps github.com/pdfcpu/pdfcpu from 0.14.0 to 0.15.0.

Release notes

Sourced from github.com/pdfcpu/pdfcpu's releases.

v0.15.0

pdfcpu v0.15.0

This release is a focused follow-up to v0.14.0 improving diagnostics and observability for validating large PDF corpora. It also includes PDF processing hardening, CJK text wrapping for watermarks, and clearer signature-validation behavior.

v0.15.0 follows v0.14.0 by only one week because post-release corpus testing made an existing operational gap clear: large wildcard-driven validation runs delayed failure diagnostics until the full input set completed and provided no quiet-mode indication of the file currently being processed.

The changes are targeted and immediately useful to corpus testers, so holding them for a later feature release would unnecessarily delay feedback. The short interval is intentional and does not establish a weekly release routine.

Corpus validation diagnostics

Multi-file CLI validation now reports each failed input as soon as the failure is detected, continues with the remaining inputs, and exits nonzero with a compact summary:

validation failed: 66 of 463 files invalid

The new --progress flag identifies the active input during quiet validation runs. This is useful when a long-running corpus job stalls on a particular file:

pdfcpu validate -q --progress "**/*.pdf"

The quotes are intentional. They pass the recursive pattern to pdfcpu for internal expansion instead of asking the shell to expand thousands of paths into one command line, which may exceed the operating system's argument-size limit.

With -q --progress, progress and validation failures are written to standard error while standard output remains clean:

validating(mode=relaxed) path/to/input.pdf ...
validate path/to/input.pdf: validation error: ...

Corpus testing and issue reports

There is a new Corpus Validation guide documenting quick assessment, progress monitoring, logging, validation modes, result interpretation, and focused issue reporting.

A failed corpus run is diagnostic input, not an issue backlog. Public reports must isolate one manually verified and independently reproduced problem with the smallest shareable PDF. Include the relevant error and final summary, and attach large logs as compressed files instead of pasting them into an issue.

AI-generated, bulk-generated, or mechanically reformatted corpus reports will be closed immediately without investigation.

... (truncated)

Commits

• f268655 bump version
• dcc168d update issue reporting guidelines
• f5f3edf harden PDF validation and add progress reporting
• afc357e clarify signature validation output and legacy handling
• c9c07d0 harden crypto integer conversions
• 1983827 upgrade gh workflows
• 4e5f3ab harden crypto integer conversions
• b57300b clean up for #1427
• a2c3371 add CJK auto-wrap support for text watermarks (#1427)
• See full diff in compare view

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