revert hrana client upgrade (#271)

* Revert "upgrade hrana-client-ts: 0.7.0 -> 0.8.0 (#269)"

This reverts commit 17efe616f2ae99bcbcb3f7cc94b0fd446e991328.

* revert hrana client upgrade

- node-fetch do not work properly in bun

* publish pre-release version first

* prepare for new release