Fix /trivy action running against target branch instead of PR branch

[brandond]

Proposed Changes

Fix /trivy action running against target branch instead of PR branch

Ref: actions/checkout#331 (comment)

Types of Changes

ci fix

Verification

Trigger the action

Testing

Linked Issues

#10759

User-Facing Change

Further Comments

[brandond]

/trivy

[github-actions]

bin/k3s (gobinary)
==================
Total: 1 (HIGH: 1, CRITICAL: 0)

┌──────────────────────────────────────────────────────────────┬────────────────┬──────────┬────────┬───────────────────┬───────────────┬─────────────────────────────────────────────────────────────┐
│                           Library                            │ Vulnerability  │ Severity │ Status │ Installed Version │ Fixed Version │                            Title                            │
├──────────────────────────────────────────────────────────────┼────────────────┼──────────┼────────┼───────────────────┼───────────────┼─────────────────────────────────────────────────────────────┤
│ go.opentelemetry.io/contrib/instrumentation/google.golang.o- │ CVE-2023-47108 │ HIGH     │ fixed  │ v0.45.0           │ 0.46.0        │ opentelemetry-go-contrib: DoS vulnerability in otelgrpc due │
│ rg/grpc/otelgrpc                                             │                │          │        │                   │               │ to unbound cardinality metrics                              │
│                                                              │                │          │        │                   │               │ https://avd.aquasec.com/nvd/cve-2023-47108                  │
└──────────────────────────────────────────────────────────────┴────────────────┴──────────┴────────┴───────────────────┴───────────────┴─────────────────────────────────────────────────────────────┘

bin/runc (gobinary)
===================
Total: 1 (HIGH: 1, CRITICAL: 0)

┌──────────────────┬────────────────┬──────────┬────────┬───────────────────┬───────────────┬──────────────────────────────────────────────────────────────┐
│     Library      │ Vulnerability  │ Severity │ Status │ Installed Version │ Fixed Version │                            Title                             │
├──────────────────┼────────────────┼──────────┼────────┼───────────────────┼───────────────┼──────────────────────────────────────────────────────────────┤
│ golang.org/x/net │ CVE-2023-39325 │ HIGH     │ fixed  │ v0.8.0            │ 0.17.0        │ golang: net/http, x/net/http2: rapid stream resets can cause │
│                  │                │          │        │                   │               │ excessive work (CVE-2023-44487)                              │
│                  │                │          │        │                   │               │ https://avd.aquasec.com/nvd/cve-2023-39325                   │
└──────────────────┴────────────────┴──────────┴────────┴───────────────────┴───────────────┴──────────────────────────────────────────────────────────────┘

[brandond]

Ah boo, the action runs from the definition on master, so I can't test it until it's merged.

[dereknola]

Yeah, but that's a nice security feature, it just makes testing a pain.