Step up version to 1.8.0-SNAPSHOT

Signed-off-by: Vasyl Razinkov <vasyl.razinkov@est.tech>
Change-Id: If8b02ef7638be39ba85fde6270755a50d2796f6b
Issue-ID: SDC-4443
diff --git a/version.properties b/version.properties
index ffe55dc..5627d16 100644
--- a/version.properties
+++ b/version.properties
@@ -4,7 +4,7 @@
 # because they are used in Jenkins, whose plug-in doesn't support
 
 major=1
-minor=7
+minor=8
 patch=0
 
 base_version=${major}.${minor}.${patch}