0.4.3

Change set since 0.4.2:

d9e3042: OK. Fine. GitHub Action artifacts.
a867edb: OK. Fine. AWS credential keys.
adb8e54: OK. Fine. AWS credentials.
a5c4559: OK. Fine. TeaCon maven repo.
c650eac: Bump version number to v0.4.3
fc1b664: Adjust save and cache durations
a1e723f: Fix downloading issues
20c0579: Fix wrong order of update image info packet
13661aa: Change the backend of downloader to apache http client
ff5e0e9: Shadow apache http client cache as dependency
5e2358c: Prefetch slide render data even though the projector is powered
e909788: Fix nullability issues
20142e2: Update README.md
5b40c46: Fix NPE
cc1a10e: See if this fixes
a22f7d9: Do not add condition on all publish tasks
4f1b07c: gg
391f217: Fix import
6f52bf4: Merge branch '1.16-forge' of github.com:teaconmc/SlideShow into 1.16-forge
409057a: Log invalid packet at debug level
4e25385: Bump Forge to 36.1.6
517313c: Merge branch '1.16-forge' of github.com:teaconmc/SlideShow into 1.16-forge
bd04c95: Bump FG to 4.1, Forge to 1.16.5-36.1.2
9e2b21e: Only trigger build when code/build change
3bb3cfd: Preliminary intro