chore: release v2.8.1.778 to Firefox Beta

Author: lidel

ci/firefox/update.json

@@ -46,13 +46,23 @@
                     "version": "2.8.0.770",
                     "applications": {
                         "gecko": {
-                            "strict_min_version": "60"
+                            "strict_min_version": "65"
                         }
                     },
                     "update_hash": "sha256:c67fa3bc2b96d9c11dc35be15a0aee076fced751e771ec106b67a2d756cde1c1",
                     "update_link": "https://github.com/ipfs-shipyard/ipfs-companion/releases/download/v2.8.0.770/ipfs_companion_beta_build-2.8.0.770-an+fx.xpi"
+                },
+                {
+                    "version": "2.8.1.778",
+                    "applications": {
+                        "gecko": {
+                            "strict_min_version": "65"
+                        }
+                    },
+                    "update_hash": "sha256:5e23a08aef19a4924542f6f23a2a5448cb644b66e321ac61f923130357d39823",
+                    "update_link": "https://github.com/ipfs-shipyard/ipfs-companion/releases/download/v2.8.1.778/ipfs_companion_beta_build-2.8.1.778-an+fx.xpi"
                 }
             ]
         }
     }
-}
+}