Fix wasmvm SIGABRT regression (burnt-labs#227)

* Rebuild xiond Docker image with alpine3.20

* Builder alpine3.18 / Runner alpine3.19

Software Upgrade v8.0.0 (burnt-labs#222)

* Add empty upgrade to v8.0.0

* Test xiond upgrade with IBC conformance

* Change upgrade log message

* make format && make lint

* update alpine version in dockerfile

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Co-authored-by: 2xburnt <[email protected]>
Co-authored-by: ash-burnt <[email protected]>

Set upgrade name to v7.0.0 (burnt-labs#214)