feat(update): add global update support (-g) #62

Job	Run time
Valgrind Checks	1m 5s
Configuration Coverage	1m 5s
Runtime Smoke Checks	1m 5s
Static Analysis	58s
Build (gcc)	1m 8s
Build (clang)	1m 7s
Standalone Package Export Check	1m 7s
CLI Strict CI Summary	0s
	7m 35s

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