Fix various typos found by codespell (#3057)

By running the following command:

codespell -S .git,*.png,*.jpg,*.woff,*.ttf,*.gif,*.ico -L \
iam,aks,ist,bridget,ue

Signed-off-by: Mateusz Gozdek <mgozdekof@gmail.com>

pkg/cmd/cli/backup/create.go

@@ -182,7 +182,7 @@ func (o *CreateOptions) Validate(c *cobra.Command, args []string, f client.Facto
 }
 
 func (o *CreateOptions) Complete(args []string, f client.Factory) error {
-	// If an explict name is specified, use that name
+	// If an explicit name is specified, use that name
 	if len(args) > 0 {
 		o.Name = args[0]
 	}

pkg/cmd/cli/backup/create_test.go

@@ -62,7 +62,7 @@ func TestCreateOptions_BuildBackupFromSchedule(t *testing.T) {
 	o.FromSchedule = "test"
 	o.client = fake.NewSimpleClientset()
 
-	t.Run("inexistant schedule", func(t *testing.T) {
+	t.Run("inexistent schedule", func(t *testing.T) {
 		_, err := o.BuildBackup(testNamespace)
 		assert.Error(t, err)
 	})