chore(main): release python-openinference-instrumentation-haystack 0.1.9

[github-actions[bot]]

:robot: I have created a release beep boop

0.1.9 (2024-08-16)

Bug Fixes

• haystack: ensure important attributes such as span kind are not lost (#917) (963ba4a)
• haystack: improve heuristic for identifying component type (#919) (bdfbbdb)
• haystack: improve span names and mask output embeddings (#903) (7c754f3)

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[github-actions[bot]]

:robot: Release is at https://github.com/Arize-ai/openinference/releases/tag/python-openinference-instrumentation-haystack-v0.1.9 :sunflower: