[test][instructions][analyzer] Update analyzer name

Following beat/beat.core> test prefix reorganisation,
the analyzer was moved under v1.

beat/cmdline/test/instructions/analyzer.json

 {
-    "algorithm": "user/integers_analysis/1",
+    "algorithm": "v1/integers_analysis/1",
     "channel": "main",
     "inputs": {
         "input": {