fix-vulnerabilities-itext

[Tiklyt]

Description

This pull-request contains a quick fix on the itext library, in fact, the master branch was using the version 5.5.10 of the itext library containing lot of vulnerabilities. I changed the 5.5.10 old version to 5.5.13.3 version in the .gradle file.

Fixes #(issue)
itext vulnerabilities issues fix.

Type of change

Just put an x in the [] which are valid.

• [x ] Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes.

• ./gradlew assembleDebug assembleRelease
• ./gradlew checkstyle

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• [] I have made corresponding changes to the documentation
• My changes generate no new warnings

[codeclimate]

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[Swati4star]

Thanks for the fix!