package.json: update honkit-tester

bump to 1.2.6

Signed-off-by: Huang Rui <vowstar@gmail.com>

Author: vowstar

package-lock.json

@@ -15,7 +15,7 @@
   "description": "PlantUML plugin for GitBook",
   "devDependencies": {
     "coveralls": ">=3.1.0",
-    "honkit-tester": "^1.9.1",
+    "honkit-tester": "^1.9.2",
     "jshint": ">=2.12.0",
     "mocha": "^8.2.0",
     "nyc": "^15.1.0"
@@ -52,5 +52,5 @@
     "test": "nyc --reporter=lcov mocha --reporter spec --timeout 200000",
     "coverage": "cat ./coverage/lcov.info | coveralls"
   },
-  "version": "1.2.5"
+  "version": "1.2.6"
 }