Merge pull request #371 from SiaFoundation/release

chore: prepare release 0.19.0

Merge pull request #369 from SiaFoundation/release

chore: prepare release 0.18.1

Merge pull request #364 from SiaFoundation/release

chore: prepare release 0.18.0

Merge pull request #358 from SiaFoundation/release

chore: prepare release 0.17.5

Merge pull request #356 from SiaFoundation/release

chore: prepare release 0.17.4

Merge pull request #354 from SiaFoundation/release

chore: prepare release 0.17.3

Merge pull request #352 from SiaFoundation/release

chore: prepare release 0.17.2

Merge pull request #349 from SiaFoundation/release

chore: prepare release 0.17.1

Merge pull request #346 from SiaFoundation/release

chore: prepare release 0.17.0

Merge pull request #343 from SiaFoundation/release

chore: prepare release 0.16.0