chore(main): release arize-phoenix 20.8.0 (Arize-ai#15920)

chore(main): release arize-phoenix-client 3.4.0 (Arize-ai#15599)

chore(js): update versions (Arize-ai#15872)

chore(js): update versions (Arize-ai#15872)

chore(js): update versions (Arize-ai#15872)

chore(main): release arize-phoenix 20.7.0 (Arize-ai#15890)

chore(main): release arize-phoenix 20.6.0 (Arize-ai#15856)

chore(js): update versions (Arize-ai#15792)

chore(js): update versions (Arize-ai#15749)

chore(js): update versions (Arize-ai#15792)