Bump release to 3.0.7

Author: scaronni

Makefile

@@ -1,7 +1,7 @@
-RELEASE_DATE := "15 July 2022"
+RELEASE_DATE := "27 September 2022"
 RELEASE_MAJOR := 3
 RELEASE_MINOR := 0
-RELEASE_MICRO := 6
+RELEASE_MICRO := 7
 RELEASE_NAME := dkms
 RELEASE_VERSION := $(RELEASE_MAJOR).$(RELEASE_MINOR).$(RELEASE_MICRO)
 RELEASE_STRING := $(RELEASE_NAME)-$(RELEASE_VERSION)