Bump babel-core from 6.26.0 to 6.26.3

Bumps [babel-core](https://github.com/babel/babel) from 6.26.0 to 6.26.3.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](babel/babel@v6.26.0...v6.26.3)

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

yarn.lock

@@ -224,8 +224,8 @@ babel-code-frame@^6.26.0:
     js-tokens "^3.0.2"
 
 babel-core@^6.0.0, babel-core@^6.26.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.26.0.tgz#af32f78b31a6fcef119c87b0fd8d9753f03a0bb8"
+  version "6.26.3"
+  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.26.3.tgz#b2e2f09e342d0f0c88e2f02e067794125e75c207"
   dependencies:
     babel-code-frame "^6.26.0"
     babel-generator "^6.26.0"
@@ -237,15 +237,15 @@ babel-core@^6.0.0, babel-core@^6.26.0:
     babel-traverse "^6.26.0"
     babel-types "^6.26.0"
     babylon "^6.18.0"
-    convert-source-map "^1.5.0"
-    debug "^2.6.8"
+    convert-source-map "^1.5.1"
+    debug "^2.6.9"
     json5 "^0.5.1"
     lodash "^4.17.4"
     minimatch "^3.0.4"
     path-is-absolute "^1.0.1"
-    private "^0.1.7"
+    private "^0.1.8"
     slash "^1.0.0"
-    source-map "^0.5.6"
+    source-map "^0.5.7"
 
 babel-generator@^6.18.0, babel-generator@^6.26.0:
   version "6.26.0"
@@ -989,9 +989,11 @@ content-type-parser@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/content-type-parser/-/content-type-parser-1.0.1.tgz#c3e56988c53c65127fb46d4032a3a900246fdc94"
 
-convert-source-map@^1.4.0, convert-source-map@^1.5.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.0.tgz#9acd70851c6d5dfdd93d9282e5edf94a03ff46b5"
+convert-source-map@^1.4.0, convert-source-map@^1.5.0, convert-source-map@^1.5.1:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.7.0.tgz#17a2cb882d7f77d3490585e2ce6c524424a3a442"
+  dependencies:
+    safe-buffer "~5.1.1"
 
 copy-concurrently@^1.0.0:
   version "1.0.5"
@@ -1116,9 +1118,9 @@ date-now@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
 
-debug@^2.2.0, debug@^2.6.3, debug@^2.6.8:
-  version "2.6.8"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
+debug@^2.2.0, debug@^2.6.3, debug@^2.6.8, debug@^2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   dependencies:
     ms "2.0.0"
 
@@ -3043,9 +3045,9 @@ pretty-format@^21.1.0:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
 
-private@^0.1.6, private@^0.1.7:
-  version "0.1.7"
-  resolved "https://registry.yarnpkg.com/private/-/private-0.1.7.tgz#68ce5e8a1ef0a23bb570cc28537b5332aba63ef1"
+private@^0.1.6, private@^0.1.8:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
 
 process-nextick-args@~1.0.6:
   version "1.0.7"
@@ -3473,7 +3475,7 @@ source-map-support@^0.4.15:
   dependencies:
     source-map "^0.5.6"
 
-source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1, source-map@~0.5.3, source-map@~0.5.6:
+source-map@^0.5.3, source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1, source-map@~0.5.3, source-map@~0.5.6:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"