Angular audit fix for vulnerabilities.

package-lock.json

@@ -4916,9 +4916,9 @@
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@@ -5218,9 +5218,9 @@
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@@ -6562,9 +6562,9 @@
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@@ -10881,16 +10881,23 @@
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       "dev": true,
       "optional": true,
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+        "commander": "~2.20.3",
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       },
       "dependencies": {
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+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
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