fix(deps): pin dependency socket.io to 2.5.0

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

package.json

@@ -95,7 +95,7 @@
     "scrypt-kdf": "2.0.1",
     "sequelize": "5.22.5",
     "shortid": "2.2.16",
-    "socket.io": "^2.1.1",
+    "socket.io": "2.5.0",
     "sqlite3": "5.1.6",
     "store": "2.0.12",
     "string": "3.3.3",

yarn.lock

@@ -1295,7 +1295,7 @@ __metadata:
     select2: 3.5.2-browserify
     sequelize: 5.22.5
     shortid: 2.2.16
-    socket.io: ^2.1.1
+    socket.io: 2.5.0
     socket.io-client: 2.5.0
     spin.js: 4.1.1
     sqlite3: 5.1.6
@@ -14088,7 +14088,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"socket.io@npm:^2.1.1":
+"socket.io@npm:2.5.0":
   version: 2.5.0
   resolution: "socket.io@npm:2.5.0"
   dependencies: