chore(deps): update dependency ts-jest to ^26.5.6 (#612)

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

Author: renovate[bot]

package.json

@@ -36,7 +36,7 @@
     "gulp-tslint": "^8.1.4",
     "jest": "^26.6.3",
     "lerna": "^3.22.1",
-    "ts-jest": "^26.5.5",
+    "ts-jest": "^26.5.6",
     "tslint": "^5.11.0"
   }
 }

packages/devextreme-vue-generator/package.json

@@ -36,7 +36,7 @@
     "cpy-cli": "^3.1.1",
     "del-cli": "^3.0.1",
     "jest": "^26.6.3",
-    "ts-jest": "^26.5.5",
+    "ts-jest": "^26.5.6",
     "typescript": "^4.0.2"
   }
 }

packages/devextreme-vue/package.json

@@ -38,7 +38,7 @@
     "gulp-shell": "^0.6.5",
     "gulp-typescript": "^5.0.1",
     "jest": "^26.6.3",
-    "ts-jest": "^26.5.5",
+    "ts-jest": "^26.5.6",
     "typescript": "^4.0.2",
     "vue": "3.0.0",
     "vue-router": "^4.0.1",