chore: replace ancient tunnel + proxy-from-env with proxy-agent#1157

sorccu wants to merge 1 commit intomaincheckly/checkly-cli:mainfrom

simo/sim-138-cli-replace-7-year-told-tunnel-package-with-proxy-agentcheckly/checkly-cli:simo/sim-138-cli-replace-7-year-told-tunnel-package-with-proxy-agentCopy head branch name to clipboard