v0.22.0 and v1.0.0-RC2

Breaking changes

• Simplify exporter creation functions (#193, #194).

Before	After
tp, shutdown, err := exporter.InstallNewPipeline( exporterOpts, sdkOpts..., ) // handle error defer shutdown()	exporter, err := exporter.New(exporterOpts) // handle error tp := sdktrace.NewTracerProvider( sdktrace.WithBatcher(exporter), sdkOpts..., ) defer tp.Shutdown(context.Background()) otel.SetTracerProvider(tp)
tp, shutdown, err := exporter.NewExportPipeline( exporterOpts, sdkOpts..., ) // handle error defer shutdown()	exporter, err := exporter.New(exporterOpts) // handle error tp := sdktrace.NewTracerProvider( sdktrace.WithBatcher(exporter), sdkOpts..., ) defer tp.Shutdown(context.Background())

• Remove ExportCustomSpans and associated interface which were introduced in -RC1 (#187).
• Un-export string constants from OTel semantic conventions (#192).
• Remove DisplayNameFormatter and DefaultTraceAttributes from trace exporter options (#188, #191)
• Use OTel ErrorHandler for handling errors (#196).

Enhancements

• Update to OTel-go v1.0.0-RC2 + v0.22.0 (#199) and other miscellaneous dependencies (#197).
• Remove unused Location field from trace options (#195).