rpcd: update to latest git HEAD

31c3907 file: strengthen exec access control

Signed-off-by: Hauke Mehrtens <[email protected]>

package/system/rpcd/Makefile

@@ -12,9 +12,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/rpcd.git
-PKG_MIRROR_HASH:=d636b6e08a69578d615b2a294d6ca2c7ef73791de2a8314f1afb741655d8a143
-PKG_SOURCE_DATE:=2023-03-14
-PKG_SOURCE_VERSION:=d97883005ffb5be251872c3e4abe04f71732f9bd
+PKG_MIRROR_HASH:=9c29ee1b4379f835420986fdef3d9510cdd5fc1fd5f4662ecc185913a1f0ec17
+PKG_SOURCE_DATE:=2023-06-25
+PKG_SOURCE_VERSION:=31c390727b83c9efd768c7aa258813e6084b46a3
 PKG_MAINTAINER:=Jo-Philipp Wich <[email protected]>
 
 PKG_LICENSE:=ISC