[experiment] add alternative wasm sqlite3 implementation available via build-tag (#2863)

This allows for building GoToSocial with [SQLite transpiled to WASM](https://github.com/ncruces/go-sqlite3) and accessed through [Wazero](https://wazero.io/).

vendor/github.com/tetratelabs/wazero/config_unsupported.go

@@ -0,0 +1,8 @@
+// This is the opposite constraint of config_supported.go
+//go:build !(amd64 || arm64) || !(darwin || linux || freebsd || windows)
+
+package wazero
+
+func newRuntimeConfig() RuntimeConfig {
+	return NewRuntimeConfigInterpreter()
+}