ci: install Raylib headless runtime

[danielpolimac]

Summary

Installs the Linux EGL and GLES runtimes needed by Raylib's headless backend in the two CI jobs that use it.

Justification

The unit tests and Create UI Report jobs currently fail before project code runs because Raylib cannot load its runtime graphics libraries. Ubuntu's libegl1 and libgles2 packages provide libEGL.so.1 and libGLESv2.so.2.

Changes

• Install libegl1 and libgles2 before the unit tests job.
• Install libegl1 and libgles2 before the Create UI Report job.

Validation

• git diff --check
• The previous CI run confirmed libgles2 resolves the initial GLES error and exposed the remaining EGL dependency.
• The new PR CI run verifies both affected jobs with both runtime libraries installed.

[github-actions]

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✅ 0 changed, 66 passed, 0 errors

[therepanic]

fixed in commaai/dependencies#99