fix #120, capa hits parsing (replaced att&ck with attack in parsing)

shared/bin/zeek_carve_utils.py

@@ -108,7 +108,7 @@
 )
 CAPA_VIV_SUFFIX = '.viv'
 CAPA_VIV_MIME = 'data'
-CAPA_ATTACK_KEY = 'att&ck'
+CAPA_ATTACK_KEY = 'attack'
 CAPA_RUN_TIMEOUT_SEC = 300
 
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