Updated mediawiki/extensions
Project: mediawiki/extensions/OpenGraphMeta  eebc61612bdd721260b0f5a72c3c9f6f5c0fb536

Update extension metadata.
- License blurb
- Author lines
- Link attribute
- Cleanup credits style

Change-Id: I13b2d453705a50e3642ddf6e7279d504dde0a496