weston: Add recipe

Weston is a Wayland compositor designed for correctness, reliability,
predictability, and performance.
This PR adds version 13.

recipes/weston/all/conandata.yml

@@ -0,0 +1,14 @@
+sources:
+  "13.0.0":
+    url: "https://gitlab.freedesktop.org/wayland/weston/-/releases/13.0.0/downloads/weston-13.0.0.tar.xz"
+    sha256: "52ff1d4aa2394a2e416c85a338b627ce97fa71d43eb762fd4aaf145d36fc795a"
+patches:
+  "13.0.0":
+    - patch_file: "patches/13.0.0-0001-Rename-os_create_anonymous_file-to-weston_os_create_.patch"
+      patch_description: "Rename os_create_anonymous_file to weston_os_create_anonymous_file"
+      patch_type: "portability"
+      patch_source: "https://gitlab.freedesktop.org/wayland/weston/-/merge_requests/1472"
+    - patch_file: "patches/13.0.0-0002-meson-Add-missing-dependencies-on-egl.patch"
+      patch_description: "meson: Add missing dependencies on egl"
+      patch_type: "portability"
+      patch_source: "https://gitlab.freedesktop.org/wayland/weston/-/merge_requests/1479"