fix: Correct typo in type name of struct (NerdctlClientOuput) (#743)

Issue #, if available: N/A

*Description of changes:* Details are described in commit title and diff
of the codes.

*Testing done:* Yes



- [x] I've reviewed the guidance in CONTRIBUTING.md


#### License Acceptance

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.

Signed-off-by: Hayato Kiwata <[email protected]>

Author: haytok

cmd/finch/version.go

@@ -36,12 +36,12 @@ type versionAction struct {
 
 // NerdctlVersionOutput captures the nerdctl version.
 type NerdctlVersionOutput struct {
-	Client NerdctlClientOuput  `json:"Client"`
+	Client NerdctlClientOutput `json:"Client"`
 	Server NerdctlServerOutput `json:"Server"`
 }
 
-// NerdctlClientOuput captures the nerdctl Client output.
-type NerdctlClientOuput struct {
+// NerdctlClientOutput captures the nerdctl Client output.
+type NerdctlClientOutput struct {
 	Version    string                    `json:"Version"`
 	GitCommit  string                    `json:"GitCommit"`
 	GoVersion  string                    `json:"GoVersion"`