* ESP8266WebServer - unused templated code throws out unused statics
currently, only w/ mock build because it is using gcc>=12
> ../../libraries/ESP8266WebServer/src/detail/RequestHandlersImpl.h:14:15: warning: ‘String esp8266webserver::calcETag(fs::FS&, const String&)’ defined but not used [-Wunused-function]
> 14 | static String calcETag(FS &fs, const String &path) {
> | ^~~~~~~~
* ESP8266WiFiMesh - fix classes used as aggregates
> error: designated initializers cannot be used with a non-aggregate type '...'
gcc10.3 allowed this construct for some reason
* LEAmDNS - consistent const <-> non-const accessors
> error: infinite recursion detected [-Werror=infinite-recursion]
2c72e6f015