chore(deps): bump @babel/runtime from 7.3.4 to 7.4.3

Bumps [@babel/runtime](https://github.com/babel/babel) from 7.3.4 to 7.4.3.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.3.4...v7.4.3)

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

web3.js/package-lock.json

@@ -1507,17 +1507,17 @@
       }
     },
     "@babel/runtime": {
-      "version": "7.3.4",
-      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.3.4.tgz",
-      "integrity": "sha512-IvfvnMdSaLBateu0jfsYIpZTxAc2cKEXEMiezGGN75QcBcecDUKd3PgLAncT0oOgxKy8dd8hrJKj9MfzgfZd6g==",
+      "version": "7.4.3",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.4.3.tgz",
+      "integrity": "sha512-9lsJwJLxDh/T3Q3SZszfWOTkk3pHbkmH+3KY+zwIDmsNlxsumuhS2TH3NIpktU4kNvfzy+k3eLT7aTJSPTo0OA==",
       "requires": {
-        "regenerator-runtime": "^0.12.0"
+        "regenerator-runtime": "^0.13.2"
       },
       "dependencies": {
         "regenerator-runtime": {
-          "version": "0.12.1",
-          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.12.1.tgz",
-          "integrity": "sha512-odxIc1/vDlo4iZcfXqRYFj0vpXFNoGdKMAUieAlFYO6m/nl5e9KR/beGf41z4a1FI+aQgtjhuaSlDxQ0hmkrHg=="
+          "version": "0.13.2",
+          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.2.tgz",
+          "integrity": "sha512-S/TQAZJO+D3m9xeN1WTI8dLKBBiRgXBlTJvbWjCThHWZj9EvHK70Ff50/tYj2J/fvBY6JtFVwRuazHN2E7M9BA=="
         }
       }
     },