rohitramu/kpm: subcommands/common/name_and_version.go; 6 LoC

Found a possible issue in [rohitramu/kpm](https://www.github.com/rohitramu/kpm) at [subcommands/common/name_and_version.go](https://github.com/rohitramu/kpm/blob/84f17a841d5e6528401084b83a0d559838cf039a/subcommands/common/name_and_version.go#L47-L52)

Below is the message reported by the analyzer for this snippet of code. Beware that the analyzer only reports the first issue it finds, so please do not limit your consideration to the contents of the below message.

> reference to currentVersion is reassigned at line 50

[Click here to see the code in its original context.](https://github.com/rohitramu/kpm/blob/84f17a841d5e6528401084b83a0d559838cf039a/subcommands/common/name_and_version.go#L47-L52)

Click here to show the 6 line(s) of Go which triggered the analyzer.

```go
for _, currentVersion := range availableVersions {
// Keep replacing the current version if we found a higher matching version until we get to the end of the matched list
if highestVersion == nil || currentVersion > *highestVersion {
highestVersion = ¤tVersion
}
}

```

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commit ID: 84f17a841d5e6528401084b83a0d559838cf039a