Test against Node v22 (#7903)

Update CCI config to test against Node 22 as well

.changeset/seven-brooms-impress.md

@@ -0,0 +1,2 @@
+---
+---

.circleci/config.yml

@@ -144,6 +144,7 @@ workflows:
                 - "16"
                 - "18"
                 - "20"
+                - "22"
       - "Check for FIXM\x45"
       - Prettier
       - ESLint

packages/server/src/__tests__/plugin/drainHttpServer/stoppable.test.ts

@@ -141,12 +141,8 @@ Object.keys(schemes).forEach((schemeName) => {
         // idle connections in these versions. However, `Stopper` _is_ still
         // useful for gracefully finishing in-flight requests within the timeout
         // (and aborting requests beyond the timeout).
-        //
-        // (Node 18.19.0 had this change backported but it was removed again in
-        // 18.20.3; our tests only pin major versions so we can assume 18 means
-        // >= 18.20.3.)
-        const isNode20 = !!process.version.match(/^v20\./);
-        expect(closed).toBe(isNode20 ? 1 : 0);
+        const isNode20orGreater = !!process.version.match(/^v2\d\./);
+        expect(closed).toBe(isNode20orGreater ? 1 : 0);
       });
 
       // This test specifically added for Node 20 fails for Node 14. Just going