diff --git a/package-lock.json b/package-lock.json
index 2863c8ac..7398d697 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -9748,6 +9753,7 @@
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@@ -9861,7 +9867,8 @@
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@@ -9976,6 +9984,7 @@
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@@ -9993,6 +10002,7 @@
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@@ -10017,7 +10027,8 @@
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@@ -10154,7 +10165,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
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@@ -10168,7 +10179,7 @@
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-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
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@@ -10218,7 +10229,8 @@
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       "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.3.tgz",
-      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A=="
+      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==",
+      "optional": true
     },
     "yargonaut": {
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