fstools: update to git HEAD

 12155d3 libfstools: use class interface to iterate over ubi devices

Signed-off-by: Daniel Golle <[email protected]>

package/system/fstools/Makefile

@@ -12,9 +12,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/fstools.git
-PKG_MIRROR_HASH:=d2fc78b66c4e6ac5f51c77f92bd0d2322db78905a9dfea582fc7d975ea68ffe4
-PKG_SOURCE_DATE:=2023-02-04
-PKG_SOURCE_VERSION:=14d535e4485dc030deecbba9ab493c379df5c237
+PKG_MIRROR_HASH:=dbb3d721eb606606c2fc0875067449e5c882d22affaa8dc70367daff7c198152
+PKG_SOURCE_DATE:=2023-02-15
+PKG_SOURCE_VERSION:=12155d3881b9bdd44b8682970638dbfd9f55e2cb
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=GPL-2.0