Bump go to 1.22

[DimitrisJim]

New version of go appears to be slated for a February release. Opening issue to keep track of places where this bump should be made:

• Each go.mod for all modules.
• Workflow files that use 'setup-go'.
• The go.work.example file.
• Dockerfiles for ibc-go, callbacks, 08-wasm (along with supported alpine version)
• Version matrix in RELEASES.md.

Feel free to edit this list if I missed something.

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[DimitrisJim]

Released. Go 1.22 enables scoping per iteration for loop variables https://go.googlesource.com/proposal/+/master/design/60078-loopvar.md which could slightly change loop semantics in certain cases.

Unit tests run fine locally but checking for places in our (and our dependencies) that this change affects using -gcflags=all=-d=loopvar=2) passed during build, there's plenty.

Think there's no need to rush here, we can wait for a bit before bumping.