Add support for Pika

Add instrumentation support for Pika messages. The global messaging
extractor already covers the cases this instrumentation adds, so there's
no need for a specific extractor so far.

.changesets/add-support-for-pika.md

@@ -0,0 +1,6 @@
+---
+bump: patch
+type: add
+---
+
+Add support for Pika

src/appsignal/opentelemetry.py

@@ -103,6 +103,12 @@ def add_mysqlclient_instrumentation() -> None:
     MySQLClientInstrumentor().instrument()
 
 
+def add_pika_instrumentation() -> None:
+    from opentelemetry.instrumentation.pika import PikaInstrumentor
+
+    PikaInstrumentor().instrument()
+
+
 def add_psycopg2_instrumentation() -> None:
     from opentelemetry.instrumentation.psycopg2 import Psycopg2Instrumentor
 
@@ -158,6 +164,7 @@ def add_sqlite3_instrumentation() -> None:
     "opentelemetry.instrumentation.jinja2": add_jinja2_instrumentation,
     "opentelemetry.instrumentation.mysql": add_mysql_instrumentation,
     "opentelemetry.instrumentation.mysqlclient": add_mysqlclient_instrumentation,
+    "opentelemetry.instrumentation.pika": add_pika_instrumentation,
     "opentelemetry.instrumentation.psycopg2": add_psycopg2_instrumentation,
     "opentelemetry.instrumentation.psycopg": add_psycopg_instrumentation,
     "opentelemetry.instrumentation.pymysql": add_pymysql_instrumentation,