Update dependency wpackagist-plugin/opengraph to v2.0.2

This MR contains the following updates:

Package	Type	Update	Change
wpackagist-plugin/opengraph (source)	require	patch	2.0.1 -> 2.0.2

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composer.json

@@ -48,7 +48,7 @@
         "wpackagist-plugin/wp-super-cache": "2.0.0",
         "wpackagist-plugin/wp-piwik": "1.0.30",
         "wpackagist-plugin/wp-syntax": "1.2",
-	"wpackagist-plugin/opengraph": "2.0.1",
+	"wpackagist-plugin/opengraph": "2.0.2",
         "wpackagist-theme/azul": "1.51",
         "wpackagist-theme/bliss": "1.2.0",
         "wpackagist-theme/classic": "1.6",