fix(tracing): from opencensus to opentelemetry (#937)

* refactor: switch from opencensus to opentelemetry

* tempo works as designed nooooot

* fix: log traceids

* with grafana agent

* fix: http tracing

* fix: cleanup files

* chore: remove todo

* fix: bad test

* fix: ignore methods in grpc interceptors

* fix: remove test log

* clean up

* typo

* fix(config): configure tracing endpoint

* fix(span): add error id to span

.tmp/agent.yaml

@@ -0,0 +1,20 @@
+server:
+  log_level: debug
+  http_listen_port: 12345
+
+tempo:
+  receivers:
+    otlp:
+      protocols:
+        grpc:
+          endpoint: ":9096"
+  attributes:
+    actions:
+    - action: upsert
+      key: env
+      value: prod
+  push_config:
+    endpoint: tempo-us-central1.grafana.net:443
+    basic_auth:
+      username: $(gopass show caos-secrets/technical/boom/grafana-cloud/tempo-user)
+      password: $(gopass show caos-secrets/technical/boom/grafana-cloud/tempo-password)