Update devDependencies.

package-lock.json

@@ -3167,33 +3167,6 @@
       "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=",
       "dev": true
     },
-    "event-stream": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/event-stream/-/event-stream-3.3.6.tgz",
-      "integrity": "sha512-dGXNg4F/FgVzlApjzItL+7naHutA3fDqbV/zAZqDDlXTjiMnQmZKu+prImWKszeBM5UQeGvAl3u1wBiKeDh61g==",
-      "dev": true,
-      "requires": {
-        "duplexer": "^0.1.1",
-        "flatmap-stream": "^0.1.0",
-        "from": "^0.1.7",
-        "map-stream": "0.0.7",
-        "pause-stream": "^0.0.11",
-        "split": "^1.0.1",
-        "stream-combiner": "^0.2.2",
-        "through": "^2.3.8"
-      },
-      "dependencies": {
-        "split": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/split/-/split-1.0.1.tgz",
-          "integrity": "sha512-mTyOoPbrivtXnwnIxZRFYRrPNtEFKlpB2fvjSnCQUiAA6qAZzqwna5envK4uk6OIeP17CsdF3rSBGYVBsU0Tkg==",
-          "dev": true,
-          "requires": {
-            "through": "2"
-          }
-        }
-      }
-    },
     "eventemitter3": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-3.1.0.tgz",
@@ -3641,12 +3614,6 @@
         "write": "^0.2.1"
       }
     },
-    "flatmap-stream": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/flatmap-stream/-/flatmap-stream-0.1.2.tgz",
-      "integrity": "sha512-ucyr6WkLXjyMuHPtOUq4l+nSAxgWi7v4QO508eQ9resnGj+lSup26oIsUI5aH8k4Qfpjsxa8dDf9UCKkS2KHzQ==",
-      "dev": true
-    },
     "follow-redirects": {
       "version": "1.5.10",
       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.10.tgz",
@@ -3736,12 +3703,6 @@
         "map-cache": "^0.2.2"
       }
     },
-    "from": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/from/-/from-0.1.7.tgz",
-      "integrity": "sha1-g8YK/Fi5xWmXAH7Rp2izqzA6RP4=",
-      "dev": true
-    },
     "fs-access": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/fs-access/-/fs-access-1.0.1.tgz",
@@ -6220,12 +6181,6 @@
       "integrity": "sha1-2TPOuSBdgr3PSIb2dCvcK03qFG0=",
       "dev": true
     },
-    "map-stream": {
-      "version": "0.0.7",
-      "resolved": "https://registry.npmjs.org/map-stream/-/map-stream-0.0.7.tgz",
-      "integrity": "sha1-ih8HiW2CsQkmvTdEokIACfiJdKg=",
-      "dev": true
-    },
     "map-visit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/map-visit/-/map-visit-1.0.0.tgz",
@@ -6879,17 +6834,17 @@
       "dev": true
     },
     "npm-run-all": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/npm-run-all/-/npm-run-all-4.1.3.tgz",
-      "integrity": "sha512-aOG0N3Eo/WW+q6sUIdzcV2COS8VnTZCmdji0VQIAZF3b+a3YWb0AD0vFIyjKec18A7beLGbaQ5jFTNI2bPt9Cg==",
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/npm-run-all/-/npm-run-all-4.1.5.tgz",
+      "integrity": "sha512-Oo82gJDAVcaMdi3nuoKFavkIHBRVqQ1qvMb+9LHk/cF4P6B2m8aP04hGf7oL6wZ9BuGwX1onlLhpuoofSyoQDQ==",
       "dev": true,
       "requires": {
-        "ansi-styles": "^3.2.0",
-        "chalk": "^2.1.0",
-        "cross-spawn": "^6.0.4",
+        "ansi-styles": "^3.2.1",
+        "chalk": "^2.4.1",
+        "cross-spawn": "^6.0.5",
         "memorystream": "^0.3.1",
         "minimatch": "^3.0.4",
-        "ps-tree": "^1.1.0",
+        "pidtree": "^0.3.0",
         "read-pkg": "^3.0.0",
         "shell-quote": "^1.6.1",
         "string.prototype.padend": "^3.0.0"
@@ -7467,21 +7422,18 @@
         "pify": "^3.0.0"
       }
     },
-    "pause-stream": {
-      "version": "0.0.11",
-      "resolved": "https://registry.npmjs.org/pause-stream/-/pause-stream-0.0.11.tgz",
-      "integrity": "sha1-/lo0sMvOErWqaitAPuLnO2AvFEU=",
-      "dev": true,
-      "requires": {
-        "through": "~2.3"
-      }
-    },
     "performance-now": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
       "dev": true
     },
+    "pidtree": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/pidtree/-/pidtree-0.3.0.tgz",
+      "integrity": "sha512-9CT4NFlDcosssyg8KVFltgokyKZIFjoBxw8CTGy+5F38Y1eQWrt8tRayiUOXE+zVKQnYu5BR8JjCtvK3BcnBhg==",
+      "dev": true
+    },
     "pify": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
@@ -7912,15 +7864,6 @@
       "integrity": "sha1-0/wRS6BplaRexok/SEzrHXj19HY=",
       "dev": true
     },
-    "ps-tree": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/ps-tree/-/ps-tree-1.1.0.tgz",
-      "integrity": "sha1-tCGyQUDWID8e08dplrRCewjowBQ=",
-      "dev": true,
-      "requires": {
-        "event-stream": "~3.3.0"
-      }
-    },
     "pseudomap": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",

package.json

@@ -129,7 +129,7 @@
     "karma-sinon": "^1.0.5",
     "node-sass": "^4.10.0",
     "nodemon": "^1.18.6",
-    "npm-run-all": "^4.1.3",
+    "npm-run-all": "^4.1.5",
     "popper.js": "^1.14.5",
     "postcss-cli": "^6.0.1",
     "qunit": "^2.8.0",