fix(process): reap entire process group on cmd.Cancel (#39143)

Signed-off-by: Royce Remer <royceremer@gmail.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

.golangci.yml

@@ -62,6 +62,10 @@ linters:
               desc: "migrations must not depend on the models package. HINT: MIGRATION-STRUCT-FROZEN"
             - pkg: gitea.dev/modules/structs
               desc: "migrations must not depend on modules/structs. HINT: MIGRATION-STRUCT-FROZEN"
+    forbidigo:
+      forbid:
+        - pattern: '^(fmt\.Print(|f|ln)|print|println)$' # default
+        - pattern: '^exec\.CommandContext$' # use our wrapper for graceful termination
     modernize:
       disable:
         - embedlit
@@ -140,6 +144,7 @@ linters:
       - linters:
           - dupl
           - errcheck
+          - forbidigo
           - staticcheck
           - unparam
         path: _test\.go