chore(deps-dev): bump @types/source-map from 0.5.2 to 0.5.7 in /studio

Bumps [@types/source-map](https://github.com/mozilla/source-map) from 0.5.2 to 0.5.7.
- [Release notes](https://github.com/mozilla/source-map/releases)
- [Changelog](https://github.com/mozilla/source-map/blob/master/CHANGELOG.md)
- [Commits](mozilla/source-map@0.5.2...0.5.7)

---
updated-dependencies:
- dependency-name: "@types/source-map"
  dependency-version: 0.5.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

studio/package.json

@@ -79,7 +79,7 @@
     "@types/jquery": "^3.5.33",
     "@types/node": "^7.10.14",
     "@types/selenium-webdriver": "^2.53.53",
-    "@types/source-map": "^0.5.2",
+    "@types/source-map": "^0.5.7",
     "@types/uglify-js": "^2.6.37",
     "@types/webpack": "^3.8.17",
     "angular2-router-loader": "^0.3.5",

studio/yarn.lock

@@ -304,9 +304,12 @@
   dependencies:
     "@types/node" "*"
 
-"@types/source-map@^0.5.2":
-  version "0.5.2"
-  resolved "https://registry.yarnpkg.com/@types/source-map/-/source-map-0.5.2.tgz#973459e744cc7445c85b97f770275b479b138e08"
+"@types/source-map@^0.5.7":
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/@types/source-map/-/source-map-0.5.7.tgz#165eeb583c1ef00196fe4ef4da5d7832b03b275b"
+  integrity sha512-LrnsgZIfJaysFkv9rRJp4/uAyqw87oVed3s1hhF83nwbo9c7MG9g5DqR0seHP+lkX4ldmMrVolPjQSe2ZfD0yA==
+  dependencies:
+    source-map "*"
 
 "@types/tapable@^0":
   version "0.2.9"
@@ -5986,6 +5989,11 @@ source-map-url@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
 
+source-map@*:
+  version "0.7.6"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.7.6.tgz#a3658ab87e5b6429c8a1f3ba0083d4c61ca3ef02"
+  integrity sha512-i5uvt8C3ikiWeNZSVZNWcfZPItFQOsYTUAOkcUPGd8DqDy1uOUikjt5dG+uRlwyvR108Fb9DOd4GvXfT0N2/uQ==
+
 [email protected]:
   version "0.5.6"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"