Update dependency core-js to ^3.44.0 (#770)

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

Author: renovate[bot]

vsts-variable-transform/v1/package-lock.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "azure-pipelines-task-lib": "^3.4.0",
-    "core-js": "^3.43.0"
+    "core-js": "^3.44.0"
   },
   "scripts": {
     "initdev:npm": "npm install",

vsts-variable-transform/v1/package.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "azure-pipelines-task-lib": "^3.4.0",
-    "core-js": "^3.43.0"
+    "core-js": "^3.44.0"
   },
   "scripts": {
     "initdev:npm": "npm install",