Bump all dependencies

[Copilot]

Description

Updated all Go dependencies across 4 modules (main, examples, example, uber_demo) to latest compatible versions.

Key updates:

• github.com/spf13/cobra: v1.9.2 → v1.10.2
• github.com/labstack/echo/v4: v4.13.4 → v4.15.0
• github.com/google/cel-go: v0.22.1 → v0.27.0
• k8s.io/*: v0.34.1 → v0.34.3 (kept to patch version, avoiding .0 releases)
• golang.org/x/{crypto,sync,term,text,time}: latest versions
• github.com/playwright-community/playwright-go: v0.4702.0 → v0.5200.1
• Plus 50+ transitive dependency updates

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Performance improvement
• Code refactoring

Testing

• Tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have tested the CLI with example data

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules

Breaking Changes

None expected. All updates maintain Go module compatibility guarantees.

Additional Notes

• Build verified successful
• All 88 tests passing
• No security vulnerabilities detected in updated dependencies
• K8s dependencies kept at v0.34.3 (avoiding .0 releases for stability)

Original prompt

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This section details on the original issue you should resolve

<issue_title>Bump all dependencies</issue_title>
<issue_description></issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Bump all dependencies #78

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[moshloop]

@copilot don't bump k8s to a .0 version,

[Copilot]

@copilot don't bump k8s to a .0 version,

Downgraded k8s.io packages from v0.35.0 to v0.34.3 to avoid the .0 version. All k8s.io packages (api, apiextensions-apiserver, apimachinery, client-go) are now at v0.34.3 across all modules. Build and tests verified. (f137af8)