package/libmdbx: bump version to 0.12.5 "Dynamo"

This is stable release of frontward _libmdbx_ branch with new superior features
on the day of 100 anniversary of USSR' «Dynamo» sports and fitness society.

The complete ChangeLog: https://gitflic.ru/project/erthink/libmdbx/blob?file=ChangeLog.md

Signed-off-by: Леонид Юрьев (Leonid Yuriev) <leo@yuriev.ru>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libmdbx/libmdbx.hash

@@ -1,5 +1,5 @@
 # Hashes from: https://libmdbx.dqdkfa.ru/release/SHA256SUMS
-sha256  97b03965b5b61727dc4232c50ccb174c632470a3d24438b3c52315bef6fb4033  libmdbx-amalgamated-0.11.14.tar.xz
+sha256  9c3abaaf9079a9518bb7155734817a2e286fffea46f7cc0825dfbd1cf9174075  libmdbx-amalgamated-0.12.5.tar.xz
 
 # Locally calculated
 sha256  310fe25c858a9515fc8c8d7d1f24a67c9496f84a91e0a0e41ea9975b1371e569  LICENSE

package/libmdbx/libmdbx.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBMDBX_VERSION = 0.11.14
+LIBMDBX_VERSION = 0.12.5
 LIBMDBX_SOURCE = libmdbx-amalgamated-$(LIBMDBX_VERSION).tar.xz
 LIBMDBX_SITE = https://libmdbx.dqdkfa.ru/release
 LIBMDBX_SUPPORTS_IN_SOURCE_BUILD = NO