build(deps): bump dompdf/dompdf from 0.8.5 to 2.0.0

[dependabot]

Bumps dompdf/dompdf from 0.8.5 to 2.0.0.

Release notes

Sourced from dompdf/dompdf's releases.

Dompdf 2.0.0

Change highlights since 1.2.x

• Addresses multiple security vulnerabilities (see below)
• Modifies callback and page_script/page_text handling (breaking change, see below)
• Switches the HTML5 parser to Masterminds/HTML5
• Improves CSS property parsing and representation
• Improves border, outline, and background rendering for inline elements
• Switches installed fonts and font metrics cache file format to JSON
• Adds support for the inset CSS shorthand property and the legacy break-word keyword for word-break
• Adds "end_document" callback event

The full list of addressed issues can be found in the release milestone. View all changes since the previous release in the commit history.

This release addresses the following announced vulnerabilities:

Vulnerability	References	Type	Severity
Improper Restriction of XML External Entity Reference	#25642564	Information Disclosure	TBD
Deserialization of Untrusted Data	#25642564	Remote Code Execution	Critical
External Control of File Name or Path	#25642564	Information Disclosure	TBD
Server-Side Request Forgery	#25642564	Information Disclosure	TBD

Breaking Changes

• Callback signature change: callbacks should now accept three individual arguments (Frame, Canvas, FontMetrics)
• Canvas::page_* methods are executed immediately rather than during output generation and should be called after rendering the document
• Cpdf::polygon method signature changed, no longer accepts the number of points
• See the migration guide for details

---

We would like to extend our gratitude to the community members who helped make this release possible.

Requirements

Dompdf 2.0.0 requires the following:

• PHP 7.1 or greater
• MBString
• php-font-lib
• php-svg-lib

Additionally, the following are recommended for optimal use:

• GD (for image processing)
• allow_url_fopen set to true or the curl PHP extension (for retrieving stylesheets, images, etc via http)

For full requirements and recommendations see the requirements page on the wiki.

Download Instructions

... (truncated)

Commits

• 79573d8 Bump version to 2.0.0
• 36be0c2 Coding standards: Also check Cpdf class
• 7f5d0dc Options docblock update
• a389f3d Canvas: Document format of color array
• 165ad28 Modify dompdf callback signature
• 97c1d5b Add an end_document callback event
• 65de5af Make page_script take effect immediately
• 78102a7 Draw circles for dotted border
• 1d6f991 Improve border rendering with GD back end
• 0ec276b Small improvements to border rendering
• Additional commits viewable in compare view

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[dependabot]

Superseded by #15.