refactor(build): Bump version to v1.3.9 #1077

Job	Run time
Debug Build & Unit Tests (gcc)	2m 13s
Debug Build & Unit Tests without Subscriptions (gcc)	59s
Debug Build & Unit Tests with Diagnostics (gcc)	2m 10s
Debug Build & Unit Tests with multithreading (gcc)	1m 33s
Debug Build & Unit Tests with Alarms&Conditions (gcc)	2m 55s
Debug Build & Unit Tests (clang)	2m 44s
Debug Build & Unit Tests (tcc)	1m 40s
Encryption (MbedTLS) Build & Unit Tests (gcc)	1m 36s
PubSub Encryption (MbedTLS) Build & Unit Tests (gcc)	2m 6s
Encryption (OpenSSL) Build & Unit Tests (gcc)	1m 39s
Encryption (LibreSSL) Build & Unit Tests (gcc)	3m 49s
TPM Tool Build	2m 20s
Release Build	1m 0s
Amalgamation Build	1m 31s
Amalgamation Build with Multithreading	51s
Valgrind Unit Tests with MbedTLS (gcc)	5m 22s
Valgrind Unit Tests with OpenSSL (gcc)	5m 37s
Valgrind Examples with MbedTLS (gcc)	11m 5s
Valgrind Examples with OpenSSL (gcc)	11m 46s
Clang Static Analyzer	2m 56s
	1h 5m 52s

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