Cover edge case when on new minor release for E2E upgrade test

[dereknola]

Proposed Changes

When a new minor is being developed, there is not yet a new release channel to pull from for the Upgrade test. Fallback to "latest"

Types of Changes

CI Fix

Verification

Manual tested with release-1.31 (which currently does not have a release)

Testing

Linked Issues

N/A

User-Facing Change

Further Comments

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.89%. Comparing base (85e02e1) to head (ff385aa).
Report is 5 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (85e02e1) and HEAD (ff385aa). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (85e02e1)	HEAD (ff385aa)
e2etests	7	6

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #10781      +/-   ##
==========================================
- Coverage   49.59%   43.89%   -5.71%     
==========================================
  Files         178      178              
  Lines       14753    14753              
==========================================
- Hits         7317     6476     -841     
- Misses       6091     7089     +998     
+ Partials     1345     1188     -157     

Flag	Coverage Δ
e2etests	36.19% <ø> (-9.67%)	⬇️
inttests	36.76% <ø> (+17.02%)	⬆️
unittests	13.59% <ø> (ø)

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[dereknola]

/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                   │
└──────────────────┴────────────────┴──────────┴────────┴───────────────────┴───────────────┴──────────────────────────────────────────────────────────────┘