Update CHANGELOG for v0.36.4 release #303

Job	Run time
Makefile / Assert PR branch is ahead	16s
CI matrix / Assert PR branch is ahead	8s
CI matrix / Build codebase (go-ci-oldstable, false)	40s
CI matrix / Build codebase (go-ci-stable, false)	47s
CI matrix / Lint codebase (go-ci-oldstable, false)	47s
CI matrix / Run tests (go-ci-oldstable, false)	42s
CI matrix / Lint codebase (go-ci-stable, false)	1m 2s
CI matrix / Build codebase (go-ci-unstable, true)	47s
CI matrix / Run tests (go-ci-stable, false)	44s
CI matrix / Lint codebase (go-ci-unstable, true)	55s
CI matrix / Run tests (go-ci-unstable, true)	40s
CI matrix / Optional Linting / Assert PR branch is ahead	6s
Makefile / Build codebase using Makefile quick recipe	47s
Makefile / Lint codebase using Makefile	0s
Makefile / Build codebase using Makefile all recipe	0s
CI matrix / Optional Linting / Lint codebase using optional linters (go-ci-oldstable, true)	46s
CI matrix / Optional Linting / Lint codebase using optional linters (go-ci-stable, true)	46s
CI matrix / Optional Linting / Lint codebase using optional linters (go-ci-unstable, true)	46s
	10m 39s

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