extend observability in gridproxy with opentelemetry and jaeger

[xmonader]

[xmonader]

executed by @RawanMostafa08

[RawanMostafa08]

Work in progress

• added otel pkg, spans, events to grid proxy client
• rebased the branch to that of the otel of grid deployer as they share the same logic of trace provider initialization
• testing is still in progress

[RawanMostafa08]

Work Completed

• pr reviewed, merged