Add BugSnag to the opentelemetry vendors list (#5218)

Author: AnastasiiaSvietlova

data/ecosystem/vendors.yaml

@@ -46,6 +46,12 @@
   contact: [email protected]
   oss: false
   commercial: true
+- name: BugSnag
+  nativeOTLP: true
+  url: https://docs.bugsnag.com/performance/distributed-tracing
+  contact:
+  oss: false
+  commercial: true
 - name: Causely
   distribution: false
   nativeOTLP: true