[TEST] add ryml to the conan files for install tests (open-telemetry#3679)

Author: dbarker

install/conan/conanfile_latest.txt

@@ -10,6 +10,7 @@ grpc/1.72.0
 nlohmann_json/3.12.0
 prometheus-cpp/1.3.0
 opentracing-cpp/1.6.0
+rapidyaml/0.9.0
 
 [options]
 grpc/*:fPIC=True

install/conan/conanfile_stable.txt

@@ -10,6 +10,7 @@ grpc/1.54.3
 nlohmann_json/3.10.5
 prometheus-cpp/1.2.4
 opentracing-cpp/1.6.0
+rapidyaml/0.9.0
 
 [options]
 grpc/*:fPIC=True