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

Merge pull request libgit2#5931 from libgit2/ethomson/1.1.1

Release v1.1.1

Merge pull request libgit2#5660 from libgit2/ethomson/v1.1

libgit2 v1.1.0

Merge pull request libgit2#5542 from libgit2/ethomson/1_0_1

v1.0.1: Update the version numbers