header/body/url/proxy values were wrapped in raw single quotes, so a value containing a quote or shell metacharacter produced a broken or injectable command. every interpolated value is now shell-quoted.
Signed-off-by: disqualifier <dev@disqualifier.me>
bump the commons dependency pin to v0.2.1 (retry attempts-floor fix). no code change;
the aretry migration is unaffected.
verified: 18/18 migration harness passes against commons 0.2.1.
Signed-off-by: disqualifier <dev@disqualifier.me>