feat(mongodb): collect mongodb4 metrics

plugins/node/opentelemetry-instrumentation-mongodb/examples/package.json

@@ -38,7 +38,7 @@
     "@opentelemetry/instrumentation-mongodb": "^0.32.0",
     "@opentelemetry/sdk-trace-node": "^1.0.0",
     "@opentelemetry/sdk-trace-base": "^1.0.0",
-    "mongodb": "^3.5.7"
+    "mongodb": "^3.7.3"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js-contrib#readme",
   "devDependencies": {

plugins/node/opentelemetry-instrumentation-mongodb/package.json

@@ -8,7 +8,7 @@
   "scripts": {
     "docker:start": "docker run -e MONGODB_DB=opentelemetry-tests -e MONGODB_PORT=27017 -e MONGODB_HOST=127.0.0.1 -p 27017:27017 --rm mongo",
     "test": "nyc ts-mocha -p tsconfig.json --require '@opentelemetry/contrib-test-utils' 'test/**/mongodb-v3.test.ts'",
-    "test-new-versions": "nyc ts-mocha -p tsconfig.json --require '@opentelemetry/contrib-test-utils' 'test/**mongodb-v4.test.ts'",
+    "test-new-versions": "nyc ts-mocha -p tsconfig.json --require '@opentelemetry/contrib-test-utils' 'test/mongodb-v4**.test.ts'",
     "test-all-versions": "tav",
     "tdd": "npm run test -- --watch-extensions ts --watch",
     "clean": "rimraf build/*",
@@ -69,6 +69,7 @@
     "typescript": "4.4.4"
   },
   "dependencies": {
+    "@opentelemetry/sdk-metrics": "^1.9.1",
     "@opentelemetry/instrumentation": "^0.38.0",
     "@opentelemetry/semantic-conventions": "^1.0.0"
   },