Update package version to 2.15.1

pkg.info

@@ -1,10 +1,27 @@
 name: libxml2
 description: XML C parser and toolkit
-version: 2.15.0
+version: 2.15.1
+revision: 1
 url: https://gitlab.gnome.org/GNOME/libxml2
 license: MIT
 architecture: any
-depends: ["bash","glibc","icu","ncurses","readline","xz-utils","zlib"]
-optional_depends: ["python3"]
-make_depends: ["doxygen","meson","python3"]
 type: source
+depends:
+  - bash
+  - glibc
+  - icu
+  - ncurses
+  - readline
+  - xz-utils
+  - zlib
+optional_depends:
+  - python3
+make_depends:
+  - doxygen
+  - meson
+  - python3
+downloads:
+  - url: https://gitlab.gnome.org/GNOME/libxml2/-/archive/v${BPM_PKG_VERSION}/libxml2-v${BPM_PKG_VERSION}.tar.gz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: 0a5ebf8fa131585748d661ae692503483aff39d9b29b6c4b342cd80d422f246c