Add new schema file

schemas/1.21.0

@@ -0,0 +1,97 @@
+file_format: 1.1.0
+schema_url: https://opentelemetry.io/schemas/1.21.0
+versions:
+  1.21.0:
+    spans:
+      changes:
+        # https://github.com/open-telemetry/opentelemetry-specification/pull/3336
+        - rename_attributes:
+            attribute_map:
+              messaging.kafka.client_id: messaging.client_id
+              messaging.rocketmq.client_id: messaging.client_id
+  1.20.0:
+    spans:
+      changes:
+        # https://github.com/open-telemetry/opentelemetry-specification/pull/3272
+        - rename_attributes:
+            attribute_map:
+              net.app.protocol.name: net.protocol.name
+              net.app.protocol.version: net.protocol.version
+  1.19.0:
+    spans:
+      changes:
+        # https://github.com/open-telemetry/opentelemetry-specification/pull/3209
+        - rename_attributes:
+            attribute_map:
+              faas.execution: faas.invocation_id
+        # https://github.com/open-telemetry/opentelemetry-specification/pull/3188
+        - rename_attributes:
+            attribute_map:
+              faas.id: cloud.resource_id
+        # https://github.com/open-telemetry/opentelemetry-specification/pull/3190
+        - rename_attributes:
+            attribute_map:
+              http.user_agent: user_agent.original
+    resources:
+      changes:
+        # https://github.com/open-telemetry/opentelemetry-specification/pull/3190
+        - rename_attributes:
+            attribute_map:
+              browser.user_agent: user_agent.original
+  1.18.0:
+  1.17.0:
+    spans:
+      changes:
+        # https://github.com/open-telemetry/opentelemetry-specification/pull/2957
+        - rename_attributes:
+            attribute_map:
+              messaging.consumer_id: messaging.consumer.id
+              messaging.protocol: net.app.protocol.name
+              messaging.protocol_version: net.app.protocol.version
+              messaging.destination: messaging.destination.name
+              messaging.temp_destination: messaging.destination.temporary
+              messaging.destination_kind: messaging.destination.kind
+              messaging.message_id: messaging.message.id
+              messaging.conversation_id: messaging.message.conversation_id
+              messaging.message_payload_size_bytes: messaging.message.payload_size_bytes
+              messaging.message_payload_compressed_size_bytes: messaging.message.payload_compressed_size_bytes
+              messaging.rabbitmq.routing_key: messaging.rabbitmq.destination.routing_key
+              messaging.kafka.message_key: messaging.kafka.message.key
+              messaging.kafka.partition: messaging.kafka.destination.partition
+              messaging.kafka.tombstone: messaging.kafka.message.tombstone
+              messaging.rocketmq.message_type: messaging.rocketmq.message.type
+              messaging.rocketmq.message_tag: messaging.rocketmq.message.tag
+              messaging.rocketmq.message_keys: messaging.rocketmq.message.keys
+              messaging.kafka.consumer_group: messaging.kafka.consumer.group
+  1.16.0:
+  1.15.0:
+    spans:
+      changes:
+        # https://github.com/open-telemetry/opentelemetry-specification/pull/2743
+        - rename_attributes:
+            attribute_map:
+              http.retry_count: http.resend_count
+  1.14.0:
+  1.13.0:
+    spans:
+      changes:
+        # https://github.com/open-telemetry/opentelemetry-specification/pull/2614
+        - rename_attributes:
+            attribute_map:
+              net.peer.ip: net.sock.peer.addr
+              net.host.ip: net.sock.host.addr
+  1.12.0:
+  1.11.0:
+  1.10.0:
+  1.9.0:
+  1.8.0:
+    spans:
+      changes:
+        - rename_attributes:
+            attribute_map:
+              db.cassandra.keyspace: db.name
+              db.hbase.namespace: db.name
+  1.7.0:
+  1.6.1:
+  1.5.0:
+  1.4.0: