snmp_trap does not translate PacketwareTeleProvisionMIB::genericAlert

@srebhan is already working on this.

Since May 11, 2026.

### Relevent telegraf.conf

```toml
# Receive SNMP traps
[[inputs.snmp_trap]]
## Transport, local address, and port to listen on. Transport must
## be "udp://". Omit local address to listen on all interfaces.
## example: "udp://127.0.0.1:1234"
##
## Special permissions may be required to listen on a port less than
## 1024. See README.md for details
##
# service_address = "udp://:162"
##
## Path to mib files
# path = ["/usr/share/snmp/mibs"]
##
## Timeout running snmptranslate command
# timeout = "5s"
## Snmp version, defaults to 2c
# version = "2c"
## SNMPv3 authentication and encryption options.
##
## Security Name.
# sec_name = "myuser"
## Authentication protocol; one of "MD5", "SHA" or "".
# auth_protocol = "MD5"
## Authentication password.
# auth_password = "pass"
## Security Level; one of "noAuthNoPriv", "authNoPriv", or "authPriv".
# sec_level = "authNoPriv"
## Privacy protocol used for encrypted messages; one of "DES", "AES", "AES192", "AES192C", "AES256", "AES256C" or "".
# priv_protocol = ""
## Privacy password used for encrypted messages.
# priv_password = ""

# already drop items we're not gonna use
tagexclude = ["community", "version"]

[inputs.snmp_trap.tags]
groups = "snmp"
service = "snmptraps_last"
status = "SERVICE_UNKNOWN"
```

### Logs from Telegraf

No relevant errors in the logs..

### System info

Telegraf 1.21.1

### Docker

_No response_

### Steps to reproduce

1. run telegraf
2. send trap
```bash
snmptrap -v2c -cpublic localhost `date +%s` .1.3.6.1.4.1.25967.3.2.1.1 \
.1.3.6.1.4.1.25967.3.2.2.1 s "123" \
.1.3.6.1.4.1.25967.3.2.2.2 s "ABC" \
.1.3.6.1.4.1.25967.3.2.2.12 s "xxx"
```
3. inspect metric

### Expected behavior

```ini
snmp_trap,groups=snmp,mib=PacketwareTeleProvisionMIB,name=genericAlert,oid=.1.3.6.1.4.1.25967.3.2.1.1,service= snmptraps_last,source=172.21.0.1,status=SERVICE_UNKNOWN id="123",type="ABC",host="xxx",sysUpTimeInstance=5364741i 1642681689810209368
```

### Actual behavior

```ini
snmp_trap,groups=snmp,mib=SNMPv2-SMI,name=enterprises,oid=.1.3.6.1.4.1.25967.3.2.1.1,service= snmptraps_last,source=172.21.0.1,status=SERVICE_UNKNOWN enterprises="xxx",sysUpTimeInstance=5364741i 1642681689810209368
```

### Additional info

The relevant MIB is [packetware.my](https://github.com/influxdata/telegraf/files/7905162/packetware.my.txt) and is placed in `/usr/share/snmp/mibs/`.