Sync mingw-w64-harfbuzz with regular harfbuzz package

* Use tag pinning
* Update upstream URL
* Update releasers list
* Add build option for ICU 75 rebuild

harfbuzz/mingw-w64/PKGBUILD

@@ -1,16 +1,15 @@
 # Maintainer: pingplug < aur at pingplug dot me >
 # Contributor: Schala Zeal < schalaalexiazeal at gmail dot com >
 
-_commit=63973005bc07aba599b47fdd4cf788647b601ccd  # tags/8.4.0
 _architectures="i686-w64-mingw32 x86_64-w64-mingw32"
 
 pkgbase=mingw-w64-harfbuzz
 pkgname=('mingw-w64-harfbuzz' 'mingw-w64-harfbuzz-icu')
 pkgver=8.4.0
-pkgrel=1
+pkgrel=2
 pkgdesc="OpenType text shaping engine (mingw-w64)"
 arch=('any')
-url="https://www.freedesktop.org/wiki/Software/HarfBuzz"
+url="https://harfbuzz.github.io/"
 license=('MIT')
 depends=('mingw-w64-crt'
          'mingw-w64-glib2'
@@ -23,8 +22,14 @@ makedepends=('mingw-w64-meson'
              'ragel'
              'git')
 options=('!strip' 'staticlibs' '!buildflags')
-source=("git+https://github.com/harfbuzz/harfbuzz.git#commit=${_commit}")
-sha256sums=('SKIP')
+source=("git+https://github.com/harfbuzz/harfbuzz?signed#tag=$pkgver")
+b2sums=('19f25dbf2ba6d90fdbb4ecb1039c8d0d72c55cff3dc3b30d6b75b626c15bf28a2118495837d80b7f622f0929dd7d4a07b5526963e1204bb9c90bc9f976c26977')
+validpgpkeys=(
+  053D20F17CCCA9651B2C6FCB9AB24930C0B997A2 # Khaled Hosny <khaled@aliftype.com> (@khaledhosny)
+  9F377DDB6D3153A48EB3EB1E63CC496475267693 # Caleb Maclennan <caleb@alerque.com> (@alerque)
+  2277650A4E8BDFE4B7F6BE419FEE04E5D3531115 # Ebrahim Byagowi <ebrahim@gnu.org> (@ebraminio)
+  EACF64F53455E2771BA661A4803B21859F015E4E # Behdad Esfahbod <behdad@behdad.org> (@behdad)
+)
 
 pkgver() {
   cd harfbuzz
@@ -40,6 +45,7 @@ build() {
       -D graphite=enabled \
       -D tests=disabled \
       -D docs=disabled \
+      -D cpp_std=c++17 \
       ..
     # fix linker selection error
     sed -i 's|: c_LINKER|: cpp_LINKER|g' build.ninja
@@ -54,6 +60,7 @@ build() {
       -D graphite=enabled \
       -D tests=disabled \
       -D docs=disabled \
+      -D cpp_std=c++17 \
       ..
     # fix linker selection error
     sed -i 's|: c_LINKER|: cpp_LINKER|g' build.ninja