diff --git a/functions/package-lock.json b/functions/package-lock.json
index 54971f1..72d60f1 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -109,7 +109,8 @@
     "@google-cloud/promisify": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/@google-cloud/promisify/-/promisify-1.0.2.tgz",
-      "integrity": "sha512-7WfV4R/3YV5T30WRZW0lqmvZy9hE2/p9MvpI34WuKa2Wz62mLu5XplGTFEMK6uTbJCLWUxTcZ4J4IyClKucE5g=="
+      "integrity": "sha512-7WfV4R/3YV5T30WRZW0lqmvZy9hE2/p9MvpI34WuKa2Wz62mLu5XplGTFEMK6uTbJCLWUxTcZ4J4IyClKucE5g==",
+      "optional": true
     },
     "@google-cloud/storage": {
       "version": "3.3.0",
@@ -1825,7 +1826,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+          "optional": true
         },
         "string_decoder": {
           "version": "1.1.1",
@@ -1900,9 +1902,9 @@
       }
     },
     "https-proxy-agent": {
-      "version": "2.2.2",
-      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.2.tgz",
-      "integrity": "sha512-c8Ndjc9Bkpfx/vCJueCPy0jlP4ccCCSNDp8xwCZzPjKJUm+B+u9WX2x98Qx4n1PiMNTWo3D7KK5ifNV/yJyRzg==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.4.tgz",
+      "integrity": "sha512-OmvfoQ53WLjtA9HeYP9RNrWMJzzAz1JGaSFr1nijg0PVR1JaD/xbJq1mdEIIlxGpXp9eSe/O2LgU9DJmTPd0Eg==",
       "requires": {
         "agent-base": "^4.3.0",
         "debug": "^3.1.0"
@@ -2070,7 +2072,8 @@
     "is-typedarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
-      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
+      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
+      "optional": true
     },
     "isarray": {
       "version": "0.0.1",
@@ -2591,6 +2594,7 @@
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
       "integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
+      "optional": true,
       "requires": {
         "end-of-stream": "^1.1.0",
         "once": "^1.3.1"
@@ -2600,6 +2604,7 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/pumpify/-/pumpify-2.0.0.tgz",
       "integrity": "sha512-ieN9HmpFPt4J4U4qnjN4BxrnqpPPXJyp3qFErxfwBtFOec6ewpIHdS2eu3TkmGW6S+RzFGEOGpm5ih/X/onRPQ==",
+      "optional": true,
       "requires": {
         "duplexify": "^4.1.1",
         "inherits": "^2.0.3",
@@ -2610,6 +2615,7 @@
           "version": "4.1.1",
           "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-4.1.1.tgz",
           "integrity": "sha512-DY3xVEmVHTv1wSzKNbwoU6nVjzI369Y6sPoqfYr0/xlx3IdX2n94xIszTcjPO8W8ZIv0Wb0PXNcjuZyT4wiICA==",
+          "optional": true,
           "requires": {
             "end-of-stream": "^1.4.1",
             "inherits": "^2.0.3",
@@ -2621,6 +2627,7 @@
           "version": "3.4.0",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.4.0.tgz",
           "integrity": "sha512-jItXPLmrSR8jmTRmRWJXCnGJsfy85mB3Wd/uINMXA65yrnFo0cPClFIUWzo2najVNSl+mx7/4W8ttlLWJe99pQ==",
+          "optional": true,
           "requires": {
             "inherits": "^2.0.3",
             "string_decoder": "^1.1.1",
@@ -2631,6 +2638,7 @@
           "version": "1.3.0",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
           "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+          "optional": true,
           "requires": {
             "safe-buffer": "~5.2.0"
           }
@@ -2920,6 +2928,7 @@
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/stream-events/-/stream-events-1.0.5.tgz",
       "integrity": "sha512-E1GUzBSgvct8Jsb3v2X15pjzN1tYebtbLaMg+eBOUOAxgbLoSbT2NS91ckc5lJD1KfLjId+jXJRgo0qnV5Nerg==",
+      "optional": true,
       "requires": {
         "stubs": "^3.0.0"
       }
@@ -2967,7 +2976,8 @@
     "stubs": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/stubs/-/stubs-3.0.0.tgz",
-      "integrity": "sha1-6NK6H6nJBXAwPAMLaQD31fiavls="
+      "integrity": "sha1-6NK6H6nJBXAwPAMLaQD31fiavls=",
+      "optional": true
     },
     "supports-color": {
       "version": "5.5.0",
@@ -3264,7 +3274,8 @@
     "xdg-basedir": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-4.0.0.tgz",
-      "integrity": "sha512-PSNhEJDejZYV7h50BohL09Er9VaIefr2LMAf3OEmpCkjOi34eYyQYAXUTjEQtZJTKcF0E2UKTh+osDLsgNim9Q=="
+      "integrity": "sha512-PSNhEJDejZYV7h50BohL09Er9VaIefr2LMAf3OEmpCkjOi34eYyQYAXUTjEQtZJTKcF0E2UKTh+osDLsgNim9Q==",
+      "optional": true
     },
     "xregexp": {
       "version": "2.0.0",