chore(deps): update dependency ts-jest to v26.5.4

Author: renovate-bot

package-lock.json

@@ -70,7 +70,7 @@
     "rimraf": "3.0.2",
     "sharp": "0.27.2",
     "svgexport": "0.4.1",
-    "ts-jest": "26.5.3",
+    "ts-jest": "26.5.4",
     "ts-loader": "8.0.17",
     "ts-node": "9.1.1",
     "typescript": "4.2.3",