chore: Update module golang.org/x/vuln/cmd/govulncheck to v1.0.3 (#29)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| golang.org/x/vuln/cmd/govulncheck | `v1.0.1` -> `v1.0.3` |
[![age](https://developer.mend.io/api/mc/badges/age/go/golang.org%2fx%2fvuln%2fcmd%2fgovulncheck/v1.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/go/golang.org%2fx%2fvuln%2fcmd%2fgovulncheck/v1.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/go/golang.org%2fx%2fvuln%2fcmd%2fgovulncheck/v1.0.1/v1.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/go/golang.org%2fx%2fvuln%2fcmd%2fgovulncheck/v1.0.1/v1.0.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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Makefile

@@ -19,7 +19,7 @@ GOSEC_VERSION := v2.18.2
 # renovate datasource=github-releases depName=golangci/golangci-lint
 GOLANGCI_LINT_VERSION := v1.55.2
 # renovate datasource=go depName=golang.org/x/vuln/cmd/govulncheck
-GOVULNCHECK_VERSION := v1.0.1
+GOVULNCHECK_VERSION := v1.0.3
 # renovate datasource=go depName=golang.org/x/tools/cmd/goimports
 GOIMPORTS_VERSION := v0.17.0