Merge pull request #66218 from atlassian/handle-errors

Automatic merge from submit-queue (batch tested with PRs 66152, 66406, 66218, 66278, 65660). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Handle errors

**What this PR does / why we need it**:
This is a followup PR for https://github.com/kubernetes/kubernetes/pull/64664 to handle errors returned from `.AddToScheme()` in places where they are not handled.

**Release note**:
```release-note
NONE
```
/kind cleanup
/sig api-machinery
/cc @sttts

Kubernetes-commit: 6c500be0808cfe9aff1141ec83ad885d04dd25ae

vendor/k8s.io/apimachinery/pkg/api/resource/quantity.go

@@ -21,7 +21,6 @@ import (
 	"errors"
 	"fmt"
 	"math/big"
-	"regexp"
 	"strconv"
 	"strings"
 
@@ -137,9 +136,6 @@ const (
 )
 
 var (
-	// splitRE is used to get the various parts of a number.
-	splitRE = regexp.MustCompile(splitREString)
-
 	// Errors that could happen while parsing a string.
 	ErrFormatWrong = errors.New("quantities must match the regular expression '" + splitREString + "'")
 	ErrNumeric     = errors.New("unable to parse numeric part of quantity")