CRM: Bump dompdf to v3 (#47743)

* Bump to dompdf v3
* Enable PHP tests in PHP 8.5 and add basic PDF test
* Add PHP prepend file to ignore deprecations in thecodingmachine/safe during tests

Author: tbradsha

projects/plugins/crm/.gitattributes

@@ -9,9 +9,9 @@
 /vendor/composer/**                             production-include
 /vendor/jetpack-autoloader/**                   production-include
 /vendor/dompdf/**                               production-include
-/vendor/phenx/**                                production-include
 /vendor/masterminds/html5/**                    production-include
 /vendor/sabberworm/php-css-parser/**            production-include
+/vendor/thecodingmachine/safe/**                production-include
 **/css/**                                       production-include
 **/js/*.min.js                                  production-include
 **/js/*.min.js.LICENSE.txt                      production-include

projects/plugins/crm/.phan/baseline.php

@@ -0,0 +1,4 @@
+Significance: minor
+Type: changed
+
+Improve PHP 8.5 compatibility.

projects/plugins/crm/changelog/fix-crm-bump_to_dompdf_v3

@@ -21,17 +21,17 @@
 			"pnpm run build-production"
 		],
 		"test-coverage": [
-			"php -dpcov.directory=. ./vendor/bin/phpunit-select-config phpunit.#.xml.dist --coverage-php \"$COVERAGE_DIR/php.cov\""
+			"php -d auto_prepend_file=tests/suppress_php84_deprecations.php -dpcov.directory=. ./vendor/bin/phpunit-select-config phpunit.#.xml.dist --coverage-php \"$COVERAGE_DIR/php.cov\""
 		],
-		"tests": "vendor/bin/codecept run acceptance --fail-fast",
-		"tests-debug": "vendor/bin/codecept run acceptance --fail-fast --debug",
-		"create-test": "vendor/bin/codecept generate:cest acceptance $1",
-		"build-tests": "vendor/bin/codecept build",
+		"tests": "php -d auto_prepend_file=tests/suppress_php84_deprecations.php vendor/bin/codecept run acceptance --fail-fast",
+		"tests-debug": "php -d auto_prepend_file=tests/suppress_php84_deprecations.php vendor/bin/codecept run acceptance --fail-fast --debug",
+		"create-test": "php -d auto_prepend_file=tests/suppress_php84_deprecations.php vendor/bin/codecept generate:cest acceptance $1",
+		"build-tests": "php -d auto_prepend_file=tests/suppress_php84_deprecations.php vendor/bin/codecept build",
 		"cs": "temp=$(git diff --diff-filter=d --name-only trunk HEAD | grep '.php'); [[ -n $temp ]] && phpcs-changed -s --always-exit-zero --git --git-base trunk $temp || echo 'No changes found.'",
 		"cs-staged": "temp=$(git diff --diff-filter=d --name-only --cached | grep '.php'); [[ -n $temp ]] && phpcs-changed -s --always-exit-zero --git --git-staged $temp || echo 'No changes found.'",
 		"cs-unstaged": "temp=$(git diff --diff-filter=d --name-only | grep '.php'); [[ -n $temp ]] && phpcs-changed -s --always-exit-zero --git --git-unstaged $temp || echo 'No changes found.'",
 		"phpunit": [
-			"phpunit-select-config phpunit.#.xml.dist --colors=always"
+			"php -d auto_prepend_file=tests/suppress_php84_deprecations.php vendor/bin/phpunit-select-config phpunit.#.xml.dist --colors=always"
 		],
 		"skip-test-php": "tests/action-skip-test-php.sh",
 		"test-php": [
@@ -58,7 +58,8 @@
 		"automattic/jetpack-autoloader": "@dev",
 		"automattic/jetpack-composer-plugin": "@dev",
 		"automattic/woocommerce": "^3.1",
-		"dompdf/dompdf": "^2.0"
+		"dompdf/dompdf": "^3.1",
+		"thecodingmachine/safe": "^1.3"
 	},
 	"repositories": [
 		{