feat: simplify kbench metrics to focus on key performance indicators

[derekbit]

• feat: simplify kbench metrics to focus on key performance indicators
• feat: update numjobs for bandwidth and iops
• workflow: add build.yml
• chore: update README.md
• chore(dockerfile): update fio and base images
• chore(vendor): update dependencies

longhorn/longhorn#9460

Summary by CodeRabbit

• New Features

  • Introduced a new GitHub Actions workflow for automated build and deployment processes.
  • Enhanced performance metrics parsing in the cmp_parse.sh script, allowing for more granular data handling.
  • Added functions to improve parsing of input/output operations statistics in the func.sh script.
  • New Render function in the md2man package for converting markdown to roff format.

• Bug Fixes

  • Updated various configuration files to reflect changes in repository paths and image references.

• Documentation

  • Updated README files to reflect changes in repository references and usage instructions.

• Chores

  • Updated module paths in go.mod and import paths in various files to align with the new repository structure.
  • Introduced new test and coverage scripts in several vendor directories to improve code quality checks.