build: update jest-worker to version 25.2.6

Author: renovate-bot

packages/angular_devkit/build_angular/package.json

@@ -30,7 +30,7 @@
     "file-loader": "6.0.0",
     "find-cache-dir": "3.3.1",
     "glob": "7.1.6",
-    "jest-worker": "25.2.1",
+    "jest-worker": "25.2.6",
     "karma-source-map-support": "1.4.0",
     "less": "3.11.1",
     "less-loader": "5.0.0",

yarn.lock

@@ -6638,10 +6638,10 @@ jasminewd2@^2.1.0:
   resolved "https://registry.yarnpkg.com/jasminewd2/-/jasminewd2-2.2.0.tgz#e37cf0b17f199cce23bea71b2039395246b4ec4e"
   integrity sha1-43zwsX8ZnM4jvqcbIDk5Uka07E4=
 
-[email protected].1:
-  version "25.2.1"
-  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-25.2.1.tgz#209617015c768652646aa33a7828cc2ab472a18a"
-  integrity sha512-IHnpekk8H/hCUbBlfeaPZzU6v75bqwJp3n4dUrQuQOAgOneI4tx3jV2o8pvlXnDfcRsfkFIUD//HWXpCmR+evQ==
+[email protected].6:
+  version "25.2.6"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-25.2.6.tgz#d1292625326794ce187c38f51109faced3846c58"
+  integrity sha512-FJn9XDUSxcOR4cwDzRfL1z56rUofNTFs539FGASpd50RHdb6EVkhxQqktodW2mI49l+W3H+tFJDotCHUQF6dmA==
   dependencies:
     merge-stream "^2.0.0"
     supports-color "^7.0.0"