refactor(examples): Use internal interrupts in server_pubsub_publishe… #1023

Job	Run time
Debug Build & Unit Tests (gcc)	6h 0m 15s
Debug Build & Unit Tests (gcc, 32bit)	6h 0m 15s
Debug Build & Unit Tests without Subscriptions (gcc)	2m 0s
Debug Build & Unit Tests with Diagnostics (gcc)	3m 18s
Debug Build & Unit Tests with multithreading (gcc)	6h 0m 17s
Debug Build & Unit Tests with Alarms&Conditions (gcc)	6h 0m 14s
Debug Build & Unit Tests (clang)	6h 0m 14s
Debug Build & Unit Tests (tcc)	6h 0m 15s
Encryption (MbedTLS) Build & Unit Tests (gcc)	6h 0m 24s
PubSub Encryption (MbedTLS) Build & Unit Tests (gcc)	6h 0m 13s
PubSub SKS Build & Unit Tests (gcc)	5m 37s
Encryption (OpenSSL) Build & Unit Tests (gcc)	6h 0m 15s
Encryption (LibreSSL) Build & Unit Tests (gcc)	6h 0m 16s
TPM Tool Build	3m 2s
Release Build	1m 39s
Amalgamation Build	1m 18s
Amalgamation Build with Multithreading	1m 18s
Valgrind Build & Unit Tests with MbedTLS (gcc)	16m 45s
Valgrind Build & Unit Tests with OpenSSL (gcc)	20m 25s
Valgrind Examples with MbedTLS (gcc)	1h 9m 50s
Valgrind Examples with OpenSSL (gcc)	1h 11m 34s
Clang Static Analyzer	4m 46s
Build All Companion Specifications	15m 29s
	2d 15h 39m 39s

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