Merge pull request libgit2#6351 from libgit2/ethomson/v1.5.0

v1.5.0

meta: add changelog for v1.4.4

meta: update changelog for v1.3.2

Merge pull request libgit2#6270 from libgit2/ethomson/v1.4.3

v1.4.3 release

Merge pull request libgit2#6271 from libgit2/ethomson/v1.3.1

v1.3.1 release

changelog: update changelog with v1.4.2 information

Merge pull request libgit2#6224 from libgit2/ethomson/v1.4.1

v1.4.1

Merge pull request libgit2#6214 from libgit2/ethomson/v1.4

libgit2 v1.4

v1.3: very very last-minute changelog updates

url: ensure minimum components for formatting