Add SSWG packages service context and distributed tracing (#419)

* Add SSWG packages service context and distributed tracing

* Update projects.yml

Co-authored-by: Reda Lemeden <git@redalemeden.com>

---------

Co-authored-by: Reda Lemeden <git@redalemeden.com>

Author: adam-fowler

_data/sswg/projects.yml

@@ -165,3 +165,17 @@
   pitched: 2023-08-03
   accepted: 2023-09-28
   url: https://github.com/vapor/sqlite-nio
+
+- name: Swift Service Context
+  description: Minimal type-safe context propagation container
+  maturity: Incubating
+  pitched: 2023-09-05
+  accepted: 2023-10-03
+  url: https://github.com/apple/swift-service-context
+
+- name: Swift Distributed Tracing
+  description: A distributed tracing API for Swift
+  maturity: Incubating
+  pitched: 2023-09-05
+  accepted: 2023-10-03
+  url: https://github.com/apple/swift-distributed-tracing