fix(deps): pin dependencies

Author: renovate-bot

Diff for: packages/opentelemetry-test-utils/package.json

@@ -30,7 +30,7 @@
     "typescript": "3.9.6"
   },
   "dependencies": {
-    "@opentelemetry/api": "^0.9.0",
-    "@opentelemetry/core": "^0.9.0",
-    "@opentelemetry/tracing": "^0.9.0"  }
+    "@opentelemetry/api": "0.9.0",
+    "@opentelemetry/core": "0.9.0",
+    "@opentelemetry/tracing": "0.9.0"  }
 }

Diff for: propagators/opentelemetry-propagator-grpc-census-binary/package.json

@@ -42,7 +42,7 @@
     "access": "public"
   },
   "devDependencies": {
-    "@opentelemetry/context-base": "^0.9.0",
+    "@opentelemetry/context-base": "0.9.0",
     "@types/mocha": "7.0.2",
     "@types/node": "12.12.47",
     "codecov": "3.7.1",