Update boost-doc to 1.76.0

boost/doc/PKGBUILD

@@ -1,19 +1,19 @@
 _pkgbase=boost
 pkgname=boost-doc
-pkgver=1.74.0
-_boostver=${pkgver//./_}
+pkgver=1.76.0
+_srcname=boost_${pkgver//./_}
 pkgrel=1
 pkgdesc='Free peer-reviewed portable C++ source libraries (HTML documentation)'
 url='https://www.boost.org/'
 arch=('x86_64')
 license=('custom')
 makedepends=()
-source=(https://dl.bintray.com/boostorg/release/${pkgver}/source/boost_${_boostver}.tar.bz2)
-sha256sums=('83bfc1507731a0906e387fc28b7ef5417d591429e51e788417fe9ff025e116b1')
+source=(https://boostorg.jfrog.io/artifactory/main/release/$pkgver/source/$_srcname.tar.gz)
+sha256sums=('7bd7ddceec1a1dfdcbdb3e609b60d01739c38390a5f956385a12f3122049f0ca')
 options=(!strip)
 
 package() {
-   cd ${_pkgbase}_${_boostver}
+   cd ${_srcname}
    local dest=$pkgdir/usr/share/$_pkgbase/doc
 
    install -dm755 "$dest"