Update CHANGELOG.md for v0.1.6 release #16

Job	Run time
build-package	35s
lint	34s
unit-test (3.10, macos-latest)	43s
unit-test (3.10, ubuntu-latest)	23s
unit-test (3.10, windows-latest)	1m 16s
unit-test (3.11, macos-latest)	21s
unit-test (3.11, ubuntu-latest)	45s
unit-test (3.11, windows-latest)	1m 10s
unit-test (3.12, macos-latest)	24s
unit-test (3.12, ubuntu-latest)	32s
unit-test (3.12, windows-latest)	1m 12s
unit-test (3.7, ubuntu-latest)	32s
unit-test (3.7, windows-latest)	57s
unit-test (3.8, macos-latest)	45s
unit-test (3.8, ubuntu-latest)	33s
unit-test (3.8, windows-latest)	1m 9s
unit-test (3.9, macos-latest)	49s
unit-test (3.9, ubuntu-latest)	25s
unit-test (3.9, windows-latest)	1m 10s
unit-test (pypy-3.10, macos-latest)	59s
unit-test (pypy-3.10, ubuntu-latest)	47s
unit-test (pypy-3.10, windows-latest)	2m 17s
sign-package	23s
publish-package	24s
	19m 5s

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