procd: update to git HEAD

 7ee4563 procd: Adding support to detect Pantavisor Container Platform

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

package/system/procd/Makefile

@@ -12,9 +12,9 @@ PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/procd.git
-PKG_SOURCE_DATE:=2021-03-19
-PKG_SOURCE_VERSION:=c23d8bf81624469ed97449af7bf9497ee2c351c2
-PKG_MIRROR_HASH:=5856295e5ffb6954081d07ba02d134e7a85bd52d731c404ccd4b150740241b84
+PKG_SOURCE_DATE:=2021-03-21
+PKG_SOURCE_VERSION:=7ee456346baca29af40a6d1a5071e57f32ebf762
+PKG_MIRROR_HASH:=aad23bc8f0548a46e60e4967b3f6645f03bad61c395269244c3509cc41f2c3d0
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=GPL-2.0