libubox: update to the latest version

870acee325fe tests: cram: test_base64: fix failing tests
4d8995e91d56 tests: cram: test_base64: really fix failing tests
551d75b5662c libubox: tests: add more blobmsg/json test cases
a0dbcf8b8f96 tests: add blob-buffer overflow test
b36a3a90098d blob: fix exceeding maximum buffer length
b8abed749423 utils.h: add fallthrough macro
b14c4688612c json_script: fix unannotated fall-through warning

Signed-off-by: Felix Fietkau <[email protected]>

package/libs/libubox/Makefile

@@ -5,9 +5,9 @@ PKG_RELEASE=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/libubox.git
-PKG_MIRROR_HASH:=042398d1295ac892e09c6d2e8f68861c6f859fc6752e809a114f451834e7a05e
-PKG_SOURCE_DATE:=2021-03-02
-PKG_SOURCE_VERSION:=2e52c7e9a90ab7ba1cf9d2986d1505ca5d184698
+PKG_MIRROR_HASH:=7dd1db1e0074a9c7c722db654cce3111b3bd3cff0bfd791c4497cb0f6c22d3ca
+PKG_SOURCE_DATE:=2021-05-16
+PKG_SOURCE_VERSION:=b14c4688612c05c78ce984d7bde633bce8703b1e
 PKG_ABI_VERSION:=$(call abi_version_str,$(PKG_SOURCE_DATE))
 CMAKE_INSTALL:=1