service/logs: Using the variable on range scope testcase in functio…

…n literal (scopelint)

```
service/logs/parse_logs_test.go:26:35: Using the variable on range scope `testcase` in function literal (scopelint)
			actual, err := ParseLogDetails(testcase.line)
			                               ^
service/logs/parse_logs_test.go:27:7: Using the variable on range scope `testcase` in function literal (scopelint)
			if testcase.err != nil {
			   ^
service/logs/parse_logs_test.go:28:26: Using the variable on range scope `testcase` in function literal (scopelint)
				assert.Error(t, err, testcase.err.Error())
				                     ^
```

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

service/logs/parse_logs_test.go

@@ -22,6 +22,7 @@ func TestParseLogDetails(t *testing.T) {
 		{"errors", nil, errors.New("invalid details format")},
 	}
 	for _, testcase := range testCases {
+		testcase := testcase
 		t.Run(testcase.line, func(t *testing.T) {
 			actual, err := ParseLogDetails(testcase.line)
 			if testcase.err != nil {