doc: mention `-a` flag for the release script · nodejs/node@c4a97d8

Original file line number	Diff line number	Diff line change
@@ -966,6 +966,13 @@ a `NODEJS_RELEASE_HOST` environment variable:
`966`	`966`	`NODEJS_RELEASE_HOST=proxy.xyz ./tools/release.sh`
`967`	`967`	```
`968`	`968`
	`969`	+In case `gpg` is unable to autoselect a key, you can retry using the
	`970`	+`-a` option to enable an interactive interface:
	`971`	`+`
	`972`	+```bash
	`973`	`+./tools/release.sh -a`
	`974`	+```
	`975`	`+`
`969`	`976`	`> \[!TIP]`
`970`	`977`	`> Sometimes, due to machines being overloaded or other external factors,`
`971`	`978`	`> the files at <https://nodejs.org/dist/index.json>, <https://nodejs.org/dist/index.tab>`