fix: change tag for tarantool-fork x.y.z.n -> x.y.z-n

(cherry picked from commit 640bb7b7)

.gitlab-ci.yml

@@ -383,7 +383,7 @@ gamayun-run:
         # 2.10.5-17-gf818b9108 -> '2.10.5.17'
         # 2.11.0-entrypoint-1137-g4686b909 -> '2.11.0.1137'
         # 3.0.0-alpha1-14-g342c242-dev -> '3.0.0.14'
-        $SED -n 's/-[a-z]\+[a-z0-9]*//p' | $SED -n 's/^\([0-9\.]*\)-\([0-9]*\)\(-\([a-z0-9]*\)\)*/\1.\2/p'
+        $SED -n 's/-[a-z]\+[a-z0-9]*//p' | $SED -n 's/^\([0-9\.]*\)-\([0-9]*\)\(-\([a-z0-9]*\)\)*/\1-\2/p'
       );
       echo $VER_TNT
       [ "$VER_TNT" == "" ] && false