ci: test.yml - reduce urlchecker runtime, pin actions and cleanup

[wsoyinka]

Reduce URL checker timeouts/retries, pin action versions, and add known failing intel.com domain.

[github-actions]

Test results for 7972ea3:

Number of broken URLs: 8

URL,RESULT,FILENAME
 https://forums.developer.nvidia.com/t/unix-graphics-feature-deprecation-schedule/60588,failed,desktop/display/installing_nvidia_gpu_drivers.md
 https://dl.rockylinux.org/pub/rocky/9/isos/x86_64/Rocky-9-latest-x86_64-dvd.iso,failed,teams/testing/documentation/dev_guides/openqa_manual_install.md
 https://dl.rockylinux.org/pub/rocky/9.7/live/x86_64/,failed,guides/desktop/kde_installation.md
 https://andyscott.me,failed,guides/contribute/README.md
 https://allcontributors.org/docs/en/emoji-key,failed,guides/contribute/README.md
 https://www.intel.com/content/dam/www/public/us/en/documents/product-briefs/ipmi-second-gen-interface-spec-v2-rev1-1.pdf,failed,guides/hardware/ipmi_management.md
 http://your-IP:4000,failed,guides/automation/sparky_getting_started.md
 https://www.packer.io/docs/builders/vsphere/vsphere-iso,failed,guides/automation/templates-automation-packer-vsphere.md