[Snyk] Security upgrade node from latest to 25.6.0-bookworm

[maggiben]

Snyk has created this PR to fix 4 vulnerabilities in the dockerfile dependencies of this project.

Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image.

Snyk changed the following file(s):

• Dockerfile

We recommend upgrading to node:25.6.0-bookworm, as this image has only 254 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Heap-based Buffer Overflow SNYK-DEBIAN12-IMAGEMAGICK-15044347	786
	Integer Overflow or Wraparound SNYK-DEBIAN12-ZLIB-6008963	500
	Integer Overflow or Wraparound SNYK-DEBIAN12-ZLIB-6008963	500
	NULL Pointer Dereference SNYK-DEBIAN12-IMAGEMAGICK-15044356	436
	Loop with Unreachable Exit Condition ('Infinite Loop') SNYK-DEBIAN12-IMAGEMAGICK-15044371	436

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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:

🦉 Integer Overflow or Wraparound
🦉 Heap-based Buffer Overflow
🦉 NULL Pointer Dereference