Log Message:
p5-Sereal: update to 4.014.

4.014 Thurs June 11, 2020
    * Fix build issue on non-win32 platforms.
    * Update zstd to 1.4.5

4.012 Tues February 4, 2020
    * Fix memory leak in looks_like_sereal(), thanks to Kirill Sysoev

4.011 Tues February 4, 2020
    * Fix and test custom opcode logic for 5.31.2 and later.

4.010 Tues February 4, 2020
    * Encoder/Decoder: Update miniz
    * Encoder/Decoder: Update zstd
    * Sereal/Encoder/Decoder: perltidy perl code to a standard style