chore: update golang a patch release to 1.26.2

[lockwobr]

Summary

Update go version to pull in security patches.

Motivation / Context

Running vulnerability scan...
NAME      INSTALLED  FIXED IN        TYPE       VULNERABILITY        SEVERITY  EPSS          RISK   
stdlib    go1.26.1   1.25.9, 1.26.2  go-module  CVE-2026-32280       High      < 0.1% (3rd)  < 0.1  
stdlib    go1.26.1   1.25.9, 1.26.2  go-module  CVE-2026-27140       High      < 0.1% (0th)  < 0.1  
stdlib    go1.26.1   1.25.9, 1.26.2  go-module  CVE-2026-32289       Medium    < 0.1% (1st)  < 0.1  
stdlib    go1.26.1   1.25.9, 1.26.2  go-module  CVE-2026-32282       Medium    < 0.1% (1st)  < 0.1  
stdlib    go1.26.1   1.25.9, 1.26.2  go-module  CVE-2026-32283       High      < 0.1% (0th)  < 0.1  
stdlib    go1.26.1   1.25.9, 1.26.2  go-module  CVE-2026-32281       High      < 0.1% (0th)  < 0.1  
pygments  2.19.2     2.20.0          python     GHSA-5239-wwwm-4pmq  Low       < 0.1% (2nd)  < 0.1  
stdlib    go1.26.1   1.26.2          go-module  CVE-2026-33810       High      < 0.1% (0th)  < 0.1  
stdlib    go1.26.1   1.25.9, 1.26.2  go-module  CVE-2026-32288       Medium    < 0.1% (0th)  < 0.1

Fixes:
Related:

Type of Change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update
• Refactoring (no functional changes)
• Build/CI/tooling

Component(s) Affected

• CLI (cmd/aicr, pkg/cli)
• API server (cmd/aicrd, pkg/api, pkg/server)
• Recipe engine / data (pkg/recipe)
• Bundlers (pkg/bundler, pkg/component/*)
• Collectors / snapshotter (pkg/collector, pkg/snapshotter)
• Validator (pkg/validator)
• Core libraries (pkg/errors, pkg/k8s)
• Docs/examples (docs/, examples/)
• Other: ____________

Implementation Notes

Testing

# Commands run (prefer `make qualify` for non-trivial changes)
make qualify

Risk Assessment

• Low — Isolated change, well-tested, easy to revert
• Medium — Touches multiple components or has broader impact
• High — Breaking change, affects critical paths, or complex rollout

Rollout notes:

Checklist

• Tests pass locally (make test with -race)
• Linter passes (make lint)
• I did not skip/disable tests to make CI green
• I added/updated tests for new functionality
• I updated docs if user-facing behavior changed
• Changes follow existing patterns in the codebase
• Commits are cryptographically signed (git commit -S) — GPG signing info

[github-actions]

Coverage Report ✅

Metric	Value
Coverage	74.5%
Threshold	70%
Status	Pass

Coverage Badge

![Coverage](https://img.shields.io/badge/coverage-74.5%25-green)

No Go source files changed in this PR.