v1.16.0

What's Changed

• s2: Add Dictionary support by @klauspost in #685
• s2: Add Compression Size Estimate by @klauspost in #752
• s2: Add support for custom stream encoder by @klauspost in #755
• s2: Add LZ4 block converter by @klauspost in #748
• s2: Support io.ReaderAt in ReadSeeker by @klauspost in #747
• s2c/s2sx: Use concurrent decoding by @klauspost in #746
• tests: Upgrade to Go 1.20 by @klauspost in #749
• Update all (command) dependencies by @klauspost in #758

Full Changelog: v1.15.15...v1.16.0