GCC 12.3, GDB 12, OpenOCD 0.12, Picotool 1.1.2 (#1670)

Major toolchain update including:
* GCC 12.3
* GDB 12
* OpenOCD 0.12
* Picotool 1.1.2

* Fix MDNS infinite recursion

* Remove legacy Picoprobe

Fixes #1313
Fixes #1650

Author: earlephilhower

boards.txt

@@ -1539,15 +1539,6 @@ bool MDNSResponder::stcMDNSServiceQuery::stcAnswer::removeIP4Address(
     return bResult;
 }
 
-/*
-    MDNSResponder::stcMDNSServiceQuery::stcAnswer::findIP4Address (const)
-*/
-const MDNSResponder::stcMDNSServiceQuery::stcAnswer::stcIP4Address*
-MDNSResponder::stcMDNSServiceQuery::stcAnswer::findIP4Address(
-    const IPAddress& p_IPAddress) const {
-    return (stcIP4Address*)(((const stcAnswer*)this)->findIP4Address(p_IPAddress));
-}
-
 /*
     MDNSResponder::stcMDNSServiceQuery::stcAnswer::findIP4Address
 */