dhcp: Validate dhcp option 60 is being logged

tests/dhcp-eve-extended-option-60/README.md

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+# Test Description
+
+Valide that dhcp option 60 (vendor class identifier) is being logged by suricata
+
+## PCAP
+
+Extracted a single packet from a pcap that had the vendor-class-id option present
+
+## Related issues
+[Feature 4587](https://redmine.openinfosecfoundation.org/issues/4587)
+

tests/dhcp-eve-extended-option-60/test.yaml

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+requires:
+  min-version: 7
+
+args:
+- -k none --set outputs.1.eve-log.types.21.dhcp.extended=yes
+
+checks:
+- filter:
+    count: 1
+    match:
+      dest_port: 67
+      dhcp.id: 3759982360
+      dhcp.params[0]: subnet_mask
+      dhcp.params[1]: domain
+      dhcp.params[2]: router
+      dhcp.params[3]: dns_server
+      dhcp.type: request
+      dhcp.vendor_class_identifier: MSFT 5.0
+      event_type: dhcp
+      pcap_cnt: 1
+      proto: UDP
+      src_ip: 0.0.0.0
+      src_port: 68
+- filter:
+    count: 1
+    match:
+      app_proto: dhcp
+      dest_ip: 255.255.255.255
+      dest_port: 67
+      event_type: flow
+      flow.age: 0
+      flow.alerted: false
+      flow.bytes_toclient: 0
+      flow.bytes_toserver: 356
+      flow.pkts_toclient: 0
+      flow.pkts_toserver: 1
+      flow.reason: shutdown
+      flow.state: new
+      proto: UDP
+      src_ip: 0.0.0.0
+      src_port: 68