Add unref to some long delays to avoid blocking shutdown

Author: pimterry

src/api/api-model.ts

@@ -175,7 +175,7 @@ export class ApiModel {
 
         // After 30s, don't stop activating, but report an error if we're not done yet
         let activationDone = false;
-        delay(30000).then(() => {
+        delay(30000, { unref: true }).then(() => {
             if (!activationDone) logError(`Timeout activating ${id}`)
         });
 

src/interceptors/jvm.ts

@@ -119,7 +119,7 @@ function testJavaBin(possibleJavaBin: string) {
             ]
         ),
         // Time out permanently after 30 seconds - this only runs once max anyway
-        delay(30000).then(() => {
+        delay(30000, { unref: true }).then(() => {
             throw new Error(`Java bin test for ${possibleJavaBin} timed out`);
         })
     ]);