feat: cataloger for PHP Pecl and PEAR packages (#2604)

Signed-off-by: Laurent Goderre <laurent.goderre@docker.com>

test/cli/scan_cmd_test.go

@@ -9,7 +9,7 @@ import (
 const (
 	// this is the number of packages that should be found in the image-pkg-coverage fixture image
 	// when analyzed with the squashed scope.
-	coverageImageSquashedPackageCount = 28
+	coverageImageSquashedPackageCount = 29
 )
 
 func TestPackagesCmdFlags(t *testing.T) {