*: replace interface{} with any keyword

Everywhere including examples, external interop APIs, bindings generators
code and in other valuable places. A couple of `interface{}` usages are
intentionally left in the CHANGELOG.md, documentation and tests.

cli/vm/cli.go

@@ -483,7 +483,7 @@ func NewWithConfig(printLogotype bool, onExit func(int), c *readline.Config, cfg
 		shell: ctl,
 	}
 
-	vmcli.shell.Metadata = map[string]interface{}{
+	vmcli.shell.Metadata = map[string]any{
 		chainKey:            chain,
 		chainCfgKey:         cfg,
 		icKey:               ic,