refactor(deps): optimize dependency footprints, and add lazy initialization with platform-specific JPDFium bundling

[balazs-szucs]

Description of Changes

Bumps, removes deps. Tested with desktop/web. All OK.

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Checklist

General

• I have read the Contribution Guidelines
• I have read the Stirling-PDF Developer Guide (if applicable)
• I have read the How to add new languages to Stirling-PDF (if applicable)
• I have performed a self-review of my own code
• My changes generate no new warnings

Documentation

• I have updated relevant docs on Stirling-PDF's doc repo (if functionality has heavily changed)
• I have read the section Add New Translation Tags (for new translation tags only)

Translations (if applicable)

• I ran scripts/counter_translation.py

UI Changes (if applicable)

• Screenshots or videos demonstrating the UI changes are attached (e.g., as comments or direct attachments in the PR)

Testing (if applicable)

• I have run task check to verify linters, typechecks, and tests pass
• I have tested my changes locally. Refer to the Testing Guide for more details.

[Copilot]

Pull request overview

This PR refactors Gradle dependency wiring to reduce runtime footprint (dependency exclusions, slimmer packaging) and introduces optional Spring lazy-initialization for lower dev-mode memory usage, alongside a JPDFium upgrade and expanded redaction option flags.

Changes:

• Bump JPDFium version and expand/auto-select native platform bundling logic.
• Reduce dependency/JAR size via targeted transitive excludes and excluding .map sourcemaps from the boot JAR.
• Add an opt-in -PlazyInit=true bootRun flag to enable Spring lazy initialization.

Reviewed changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
build.gradle	Bumps jpdfiumVersion, removes direct pixee toolkit dependency from all subprojects, adds opt-in lazy-init JVM arg for bootRun.
app/core/src/main/java/stirling/software/SPDF/controller/api/security/TextRedactionService.java	Adds additional RedactOptions flags for improved text handling (ligatures/BiDi/graphemes).
app/core/src/main/java/stirling/software/SPDF/controller/api/security/RedactController.java	Mirrors new RedactOptions flags for API redaction behavior.
app/core/build.gradle	Tightens transitive dependencies (OpenCSV/POI exclusions) and excludes .map files from the boot JAR.
app/common/build.gradle	Moves pixee toolkit to common as an api dependency and adds/changes JPDFium native-platform bundling logic.

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[stirlingbot]

✅ Backend License Check Passed

All backend dependencies have valid and allowed licenses.

The backend license report has been updated successfully.

[balazs-szucs]

@Frooodle @Ludy87

This adds windows arm support of JPDFium. However, i have not checked if there is infra to build and publish. E.g., with this theoretically we could make desktop for windows but not sure that we have CI for that. This is to say, i am not quite certain how the CI works there may be as easy as adding windows arm to the matrix, but after this worthwhile to look into.

See this ticket: #7140

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