Cabal revisions of http2-5.4.12

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 cabal-version:      2.0 name:               http2 version:            5.4.12+x-revision: 1 license:            BSD3 license-file:       LICENSE maintainer:         Kazu Yamamoto <kazu@iij.ad.jp>         containers >=0.6,         http-semantics >= 0.4.2 && <0.5,         http-types >=0.12 && <0.13,-        iproute >= 1.7 && < 1.8,+        iproute >= 1.7 && < 1.9,         network >=3.1,         network-byte-order >=0.1.7 && <0.2,         network-control >=0.1 && <0.2,

 cabal-version:      2.0 name:               http2 version:            5.4.12-x-revision: 1+x-revision: 2 license:            BSD3 license-file:       LICENSE maintainer:         Kazu Yamamoto <kazu@iij.ad.jp>         network-control >=0.1 && <0.2,         stm >=2.5 && <2.6,         time-manager >=0.5 && <0.6,-        unix-time >=0.4.11 && <0.6,+        unix-time >=0.4.11 && <0.7,         utf8-string >=1.0 && <1.1  executable h2c-client