add getCondition and capabilities example

[stevendborrelli]

Description of your changes

This PR adds examples demonstrating new v0.5.0 SDK features for capability detection and condition checking.

• Added example code showing how to detect Crossplane capabilities using hasCapability()
• Added example getting deployment condition using getCondition()
• Imported new SDK functions: getObservedComposedResources, getCondition, hasCapability, Capability
• Updated crossplane.yaml dependency version from >=v0.2.0 to >=v0.3.0

I have:

• Read and followed Crossplane's contribution process.
• Added or updated unit tests for my change.

[Copilot]

Pull request overview

Adds example usage of new Crossplane Function SDK v0.5.0 helpers in the TypeScript function template, demonstrating capability detection and reading observed composed-resource conditions.

Changes:

• Import and demonstrate hasCapability() / Capability to detect Crossplane feature support.
• Import and demonstrate getObservedComposedResources() + getCondition() to read Deployment conditions from observed state.
• Bump the configuration package dependency on ghcr.io/crossplane/function-template-typescript from >=v0.2.0 to >=v0.3.0.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
src/test-helpers.ts	Removes a stray blank line (no behavioral change).
src/function.ts	Adds SDK v0.5.0 example snippets for capability detection and observed condition checking.
package-configuration/crossplane.yaml	Updates the referenced function package minimum version to >=v0.3.0.

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