patch 9.1.0926: filetype: Pixi lock files are not recognized

Problem:  filetype: Pixi lock files are not recognized
Solution: detect "pixi.lock" file as yaml filetype
          (Brandon Maier)

Reference:
https://pixi.sh/latest/features/lockfile/

closes: #16212

Signed-off-by: Brandon Maier <brandon.maier@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 789df38..caf3d5d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    926,
+/**/
     925,
 /**/
     924,