Add `Memory4` package #4063

Job	Run time
Prepare CodeQL unit test matrix	8s
Run unit tests (cpp, 2.21.4, codeql-cli/v2.21.4, codeql-bundle-v2.21.4, ubuntu-latest-xl, codeql-...	12m 58s
Run unit tests (c, 2.21.4, codeql-cli/v2.21.4, codeql-bundle-v2.21.4, ubuntu-latest-xl, codeql-cl...	28m 39s
Validate test results	4s
	41m 49s

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