chore(deps): update dependency ts-mocha to v7

Author: renovate-bot

propagators/opentelemetry-propagator-grpc-census-binary/package.json

@@ -51,7 +51,7 @@
     "nyc": "15.1.0",
     "rimraf": "3.0.2",
     "ts-loader": "6.2.2",
-    "ts-mocha": "6.0.0",
+    "ts-mocha": "7.0.0",
     "ts-node": "8.10.2",
     "tslint-consistent-codestyle": "1.16.0",
     "tslint-microsoft-contrib": "6.2.0",

propagators/opentelemetry-propagator-jaeger/package.json

@@ -62,7 +62,7 @@
     "rimraf": "3.0.2",
     "sinon": "7.5.0",
     "ts-loader": "6.2.2",
-    "ts-mocha": "6.0.0",
+    "ts-mocha": "7.0.0",
     "ts-node": "8.10.2",
     "tslint-consistent-codestyle": "1.16.0",
     "tslint-microsoft-contrib": "6.2.0",