chore: Update module golang.org/x/vuln/cmd/govulncheck to v1.0.3 (#241)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

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/)
|

---

### Configuration

📅 **Schedule**: Branch creation - "after 10pm every weekday,before 5am
every weekday,every weekend" (UTC), Automerge - At any time (no schedule
defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://developer.mend.io/github/nobl9/nobl9-go).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4xMzUuMCIsInVwZGF0ZWRJblZlciI6IjM3LjEzNS4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiJ9-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Makefile

@@ -10,7 +10,7 @@ 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