[Security] Bump protobufjs from 5.0.2 to 5.0.3

Bumps [protobufjs](https://github.com/dcodeIO/protobuf.js) from 5.0.2 to 5.0.3. **This update includes security fixes.**
- [Release notes](https://github.com/dcodeIO/protobuf.js/releases)
- [Changelog](https://github.com/dcodeIO/protobuf.js/blob/master/CHANGELOG.md)
- [Commits](protobufjs/protobuf.js@5.0.2...5.0.3)

Signed-off-by: dependabot[bot] <support@dependabot.com>

yarn.lock

@@ -185,17 +185,17 @@
   dependencies:
     "@types/node" "*"
 
-"@types/long@^3.0.31":
-  version "3.0.32"
-  resolved "https://registry.yarnpkg.com/@types/long/-/long-3.0.32.tgz#f4e5af31e9e9b196d8e5fca8a5e2e20aa3d60b69"
+"@types/long@^4.0.0":
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/@types/long/-/long-4.0.0.tgz#719551d2352d301ac8b81db732acb6bdc28dbdef"
 
 "@types/node@*", "@types/node@^8.0.32":
   version "8.0.32"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.0.32.tgz#869a716538b6eec65ab3893f183d557be3cda206"
 
-"@types/node@^7.0.29":
-  version "7.0.43"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-7.0.43.tgz#a187e08495a075f200ca946079c914e1a5fe962c"
+"@types/node@^10.1.0":
+  version "10.12.23"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.23.tgz#308a3acdc5d1c842aeadc50b867d99c46cfae868"
 
 abbrev@1:
   version "1.1.1"
@@ -1736,7 +1736,11 @@ log-driver@^1.2.5:
   version "1.2.5"
   resolved "https://registry.yarnpkg.com/log-driver/-/log-driver-1.2.5.tgz#7ae4ec257302fd790d557cb10c97100d857b0056"
 
-long@^3.2.0, long@~3:
+long@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/long/-/long-4.0.0.tgz#9a7b71cfb7d361a194ea555241c92f7468d5bf28"
+
+long@~3:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/long/-/long-3.2.0.tgz#d821b7138ca1cb581c172990ef14db200b5c474b"
 
@@ -2166,17 +2170,17 @@ progress@^2.0.0:
   resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.0.tgz#8a1be366bf8fc23db2bd23f10c6fe920b4389d1f"
 
 protobufjs@^5.0.2:
-  version "5.0.2"
-  resolved "https://registry.yarnpkg.com/protobufjs/-/protobufjs-5.0.2.tgz#59748d7dcf03d2db22c13da9feb024e16ab80c91"
+  version "5.0.3"
+  resolved "https://registry.yarnpkg.com/protobufjs/-/protobufjs-5.0.3.tgz#e4dfe9fb67c90b2630d15868249bcc4961467a17"
   dependencies:
     ascli "~1"
     bytebuffer "~5"
     glob "^7.0.5"
     yargs "^3.10.0"
 
 protobufjs@^6.8.0:
-  version "6.8.0"
-  resolved "https://registry.yarnpkg.com/protobufjs/-/protobufjs-6.8.0.tgz#04e85493c4e1653878ec283f18bc78b1e7c5d5a2"
+  version "6.8.8"
+  resolved "https://registry.yarnpkg.com/protobufjs/-/protobufjs-6.8.8.tgz#c8b4f1282fd7a90e6f5b109ed11c84af82908e7c"
   dependencies:
     "@protobufjs/aspromise" "^1.1.2"
     "@protobufjs/base64" "^1.1.2"
@@ -2188,9 +2192,9 @@ protobufjs@^6.8.0:
     "@protobufjs/path" "^1.1.2"
     "@protobufjs/pool" "^1.1.0"
     "@protobufjs/utf8" "^1.1.0"
-    "@types/long" "^3.0.31"
-    "@types/node" "^7.0.29"
-    long "^3.2.0"
+    "@types/long" "^4.0.0"
+    "@types/node" "^10.1.0"
+    long "^4.0.0"
 
 pseudomap@^1.0.2:
   version "1.0.2"