[Snyk] Fix for 2 vulnerabilities

[iText-CI]

Snyk has created this PR to fix 2 vulnerabilities in the maven dependencies of this project.

Snyk changed the following file(s):

• itext/pom.xml

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score	Upgrade
	Allocation of Resources Without Limits or Throttling SNYK-JAVA-ORGBOUNCYCASTLE-11789687	601	org.bouncycastle:bcpkix-jdk15to18: 1.78.1 -> 1.79 No Known Exploit
	Allocation of Resources Without Limits or Throttling SNYK-JAVA-ORGBOUNCYCASTLE-11789694	601	org.bouncycastle:bcpkix-jdk15to18: 1.78.1 -> 1.79 org.bouncycastle:bcprov-jdk15to18: 1.78.1 -> 1.79 No Known Exploit

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[!IMPORTANT]

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Allocation of Resources Without Limits or Throttling

[iText-CI]

:tada: Snyk checks have passed. No issues have been found so far.

:white_check_mark: security/snyk check is complete. No issues have been found. (View Details)