Update CHANGELOG for v0.16.2 release #109

Job	Run time
CI matrix / Assert PR branch is ahead	4s
Makefile / Assert PR branch is ahead	3s
Makefile / Build codebase using Makefile all recipe	0s
Makefile / Build codebase using Makefile quick recipe	26s
Makefile / Lint codebase using Makefile	0s
CI matrix / Lint codebase (go-ci-oldstable, false)	37s
CI matrix / Lint codebase (go-ci-stable, false)	38s
CI matrix / Lint codebase (go-ci-unstable, true)	36s
CI matrix / Build codebase (go-ci-oldstable, false)	18s
CI matrix / Build codebase (go-ci-stable, false)	22s
CI matrix / Evaluate loopvar scoping changes	23s
CI matrix / Build codebase (go-ci-unstable, true)	19s
CI matrix / Run tests (go-ci-oldstable, false)	28s
CI matrix / Run tests (go-ci-stable, false)	33s
CI matrix / Run tests (go-ci-unstable, true)	49s
CI matrix / Optional Linting / Assert PR branch is ahead	5s
CI matrix / Optional Linting / Lint codebase using optional linters (go-ci-oldstable, true)	32s
CI matrix / Optional Linting / Lint codebase using optional linters (go-ci-stable, true)	31s
CI matrix / Optional Linting / Lint codebase using optional linters (go-ci-unstable, true)	30s
	7m 14s

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