Docs: Fixup changelog markdown formatting

[SchoolGuy]

Codacy mentioned that an empty line should surround lists and headings and lists should start with an asterisk.

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.00% (target: -1.00%)	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (712d456)	2059	923	44.83%
Head commit (2d24a14)	2059 (+0)	923 (+0)	44.83% (+0.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#24)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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_{Codacy will stop sending the deprecated coverage status from June 5th, 2024. Learn more}

[tiltingpenguin]

LGTM