Make ExportSpans for Jaeger Exporter honor deadline

[humivo]

Made the ExportSpans method for Jaegar Exporter use AddWait instead of Add in order to honor the context deadline. Should resolve Issue #1730

[codecov]

Codecov Report

Merging #1773 (8d355ba) into main (0786fe3) will decrease coverage by 0.0%.
The diff coverage is 100.0%.

@@           Coverage Diff           @@
##            main   #1773     +/-   ##
=======================================
- Coverage   78.7%   78.7%   -0.1%     
=======================================
  Files        134     134             
  Lines       7136    7140      +4     
=======================================
+ Hits        5618    5620      +2     
- Misses      1272    1274      +2     
  Partials     246     246             

Impacted Files	Coverage Δ
exporters/trace/jaeger/jaeger.go	93.7% <100.0%> (+0.1%)	⬆️
exporters/otlp/otlpgrpc/connection.go	88.7% <0.0%> (-1.9%)	⬇️
sdk/trace/batch_span_processor.go	80.9% <0.0%> (ø)

[MrAlias]

Looks good other than we need to check the error string