Update opentelemetry packages to v2

Author: MarkDuckworth

package.json

@@ -76,6 +76,9 @@
     "@google-cloud/trace-agent": "^8.0.0",
     "@googleapis/cloudtrace": "^3.0.1",
     "@opentelemetry/context-async-hooks": "^2.0.1",
+    "@opentelemetry/core": "^2.0.1",
+    "@opentelemetry/resources": "^2.0.1",
+    "@opentelemetry/sdk-trace-base": "^2.0.1",
     "@opentelemetry/sdk-trace-node": "^2.0.1",
     "@types/assert": "^1.5.11",
     "@types/chai": "^4.3.20",