template: `label` fix correct input id (#30987) (#30997)

Just a small commit to fix a wrong label for id.
Thanks and cheers!

Signed-off-by: Frank Villaro-Dixon <frank@villaro-dixon.eu>
Co-authored-by: Frank Villaro-Dixon <frank@vi-di.fr>

templates/repo/settings/deploy_keys.tmpl

@@ -28,7 +28,7 @@
 					<div class="field">
 						<div class="ui checkbox {{if .Err_IsWritable}}error{{end}}">
 							<input id="ssh-key-is-writable" name="is_writable" type="checkbox" value="1">
-							<label for="is_writable">
+							<label for="ssh-key-is-writable">
 								{{ctx.Locale.Tr "repo.settings.is_writable"}}
 							</label>
 							<small class="tw-pl-[26px]">{{ctx.Locale.Tr "repo.settings.is_writable_info"}}</small>