libgit2: Update to 1.9.1 (#5439)

0001-missing-alloca.patch: fixed upstream

libgit2/0001-missing-alloca.patch

@@ -1,11 +0,0 @@
---- libgit2-1.9.0/src/cli/opt.c.orig	2025-04-21 08:09:38.615653200 +0200
-+++ libgit2-1.9.0/src/cli/opt.c	2025-04-21 08:09:48.209524900 +0200
-@@ -19,7 +19,7 @@
- #include <limits.h>
- #include <assert.h>
- 
--#if defined(__sun) || defined(__illumos__)
-+#if defined(__sun) || defined(__illumos__) || defined(__CYGWIN__)
- # include <alloca.h>
- #endif
- 

libgit2/PKGBUILD

@@ -2,8 +2,8 @@
 
 pkgbase=libgit2
 pkgname=('libgit2' 'libgit2-devel')
-pkgver=1.9.0
-pkgrel=2
+pkgver=1.9.1
+pkgrel=1
 pkgdesc="A linkable library for Git"
 arch=('i686' 'x86_64')
 url='https://libgit2.org/'
@@ -24,18 +24,13 @@ makedepends=(
   'zlib-devel'
   'openssl-devel'
 )
-source=("https://github.com/libgit2/libgit2/archive/v${pkgver}/${pkgbase}-${pkgver}.tar.gz"
-        "0001-missing-alloca.patch")
-sha256sums=('75b27d4d6df44bd34e2f70663cfd998f5ec41e680e1e593238bbe517a84c7ed2'
-            '1b4bc2fe1e380374b760d24a73f719249d6bf048ad0305d777f2714609991b3e')
+source=("https://github.com/libgit2/libgit2/archive/v${pkgver}/${pkgbase}-${pkgver}.tar.gz")
+sha256sums=('14cab3014b2b7ad75970ff4548e83615f74d719afe00aa479b4a889c1e13fc00')
 validpgpkeys=('4EF4AC63455FC9F4545D9B7DEF8FE99528B52FFD')
 noextract=("${pkgbase}-${pkgver}.tar.gz")
 
 prepare() {
   tar -xzf "${pkgbase}-${pkgver}.tar.gz" 2> /dev/null || tar -xzf "${pkgbase}-${pkgver}.tar.gz"
-
-  cd "${pkgbase}-${pkgver}"
-  patch -p1 < "../0001-missing-alloca.patch"
 }
 
 build() {