Bump bower from 1.8.2 to 1.8.4

Bumps [bower](https://github.com/bower/bower) from 1.8.2 to 1.8.4.
- [Release notes](https://github.com/bower/bower/releases)
- [Changelog](https://github.com/bower/bower/blob/master/CHANGELOG.md)
- [Commits](bower/bower@v1.8.2...v1.8.4)

Signed-off-by: dependabot[bot] <[email protected]>

yarn.lock

@@ -63,6 +63,14 @@
   dependencies:
     tsickle "^0.21.0"
 
+"@asymmetrik/ngx-leaflet-draw@^2.7.1":
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/@asymmetrik/ngx-leaflet-draw/-/ngx-leaflet-draw-2.7.1.tgz#002508815974578bbd123f8d0e3ca936208cc8fb"
+
+"@asymmetrik/ngx-leaflet@^3.0.2":
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/@asymmetrik/ngx-leaflet/-/ngx-leaflet-3.0.2.tgz#02c1a9e4a8e78bee31d6cef5708d8b48886d2dfa"
+
 "@compodoc/compodoc@^1.0.4":
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/@compodoc/compodoc/-/compodoc-1.0.4.tgz#67a00d764b69033831881b04487925d2223812e6"
@@ -200,10 +208,26 @@
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/@sailshq/qs/-/qs-4.0.2.tgz#a0013321b0dfd89894d9feef2db02d27d6af2f04"
 
+"@types/geojson@*":
+  version "7946.0.2"
+  resolved "https://registry.yarnpkg.com/@types/geojson/-/geojson-7946.0.2.tgz#0bd0a01ef04e813c2b7580318da9e37c2eadea9c"
+
 "@types/jquery@^2.0.44":
   version "2.0.48"
   resolved "https://registry.yarnpkg.com/@types/jquery/-/jquery-2.0.48.tgz#3e90d8cde2d29015e5583017f7830cb3975b2eef"
 
+"@types/leaflet-draw@^0.4.11":
+  version "0.4.11"
+  resolved "https://registry.yarnpkg.com/@types/leaflet-draw/-/leaflet-draw-0.4.11.tgz#ef4d88d67d00fc2eefb956ea8dcb2d0f4e143859"
+  dependencies:
+    "@types/leaflet" "*"
+
+"@types/leaflet@*", "@types/leaflet@^1.2.6":
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/@types/leaflet/-/leaflet-1.2.6.tgz#e086d3c4771bce12b04d521b6ac35b5110b199b5"
+  dependencies:
+    "@types/geojson" "*"
+
 "@types/lodash-es@^4.14.5":
   version "4.17.0"
   resolved "https://registry.yarnpkg.com/@types/lodash-es/-/lodash-es-4.17.0.tgz#ed9044d62ee36a93e0650b112701986b1c74c766"
@@ -627,8 +651,8 @@ bootstrap@>=3.0.0:
   resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-3.3.7.tgz#5a389394549f23330875a3b150656574f8a9eb71"
 
 bower@^1.8.0:
-  version "1.8.2"
-  resolved "https://registry.yarnpkg.com/bower/-/bower-1.8.2.tgz#adf53529c8d4af02ef24fb8d5341c1419d33e2f7"
+  version "1.8.4"
+  resolved "https://registry.yarnpkg.com/bower/-/bower-1.8.4.tgz#e7876a076deb8137f7d06525dc5e8c66db82f28a"
 
 brace-expansion@^1.0.0, brace-expansion@^1.1.7:
   version "1.1.8"
@@ -2923,6 +2947,14 @@ lazy-cache@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
 
+leaflet-draw@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/leaflet-draw/-/leaflet-draw-1.0.2.tgz#212d1d958a53b849bec19a2135d39c13ed012559"
+
+leaflet@^1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/leaflet/-/leaflet-1.3.1.tgz#86f336d2fb0e2d0ff446677049a5dc34cf0ea60e"
+
 less@~2.6.0:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/less/-/less-2.6.1.tgz#658e01ec9ac3149959c6b6dfbcfbc0a170afda7a"
@@ -4397,9 +4429,11 @@ rollup-pluginutils@^2.0.1:
     estree-walker "^0.3.0"
     micromatch "^2.3.11"
 
-rollup@^0.55.3:
-  version "0.55.3"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.55.3.tgz#0af082a766d51c3058430c8372442ff5207d8736"
+rollup@^0.41.6:
+  version "0.41.6"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.41.6.tgz#e0d05497877a398c104d816d2733a718a7a94e2a"
+  dependencies:
+    source-map-support "^0.4.0"
 
 [email protected]:
   version "9.3.3"
@@ -4976,7 +5010,7 @@ [email protected]:
     socket.io-client "1.7.3"
     socket.io-parser "2.3.1"
 
-source-map-support@^0.4.2:
+source-map-support@^0.4.0, source-map-support@^0.4.2:
   version "0.4.18"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.18.tgz#0286a6de8be42641338594e97ccea75f0a2c585f"
   dependencies: