chore(deps): update dependency sourcegraph to ^25.4.0

Author: renovate-bot

Diff for: package.json

@@ -134,7 +134,7 @@
     "prettier": "^2.2.1",
     "sinon": "^9.2.2",
     "source-map-support": "^0.5.19",
-    "sourcegraph": "^25.3.0",
+    "sourcegraph": "^25.4.0",
     "ts-node": "^8.0.2",
     "typescript": "^4.1.3"
   },

Diff for: yarn.lock

@@ -7386,10 +7386,10 @@ source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6:
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
   integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
 
-sourcegraph@^25.3.0:
-  version "25.3.0"
-  resolved "https://registry.yarnpkg.com/sourcegraph/-/sourcegraph-25.3.0.tgz#0ad58f40a6fb286ddaf5f441c28b2c1241098e94"
-  integrity sha512-677uVs3rq1gVeiKTZ6wrlq862dUIn02ZmEgxoPTfFMI3tlJWhdgFZOg2GpFEgFRoB1ct7rMMlRrI1cEQdB7Rkg==
+sourcegraph@^25.4.0:
+  version "25.4.0"
+  resolved "https://registry.yarnpkg.com/sourcegraph/-/sourcegraph-25.4.0.tgz#182cedc8c5090428d8456ee60d39c4ed0fdae849"
+  integrity sha512-c+sDrBAQxd3T7hEAGvLFbkHEBh9NXTppCzpA0FhULV3Y/ONqLBOO+UEhPq3iWihgHmyF18r1+lciW545h0vmZQ==
 
 spawn-wrap@^1.4.2:
   version "1.4.2"