ci: enable caching of npm modules

ci: re-enable tests with fetch and uws

docs(security): add CVE-2026-33151

fix(sio): allow emitWithAck() for events with void callbacks (#5453)

docs: add changelog for socket.io-parser 3.3.5 and 3.4.4

chore(release): socket.io-parser@4.2.6

fix(parser): add a limit to the number of binary attachments

fix(adapter): do not skip local broadcast when publishAndReturnOffset throws (#5457)

fix: cleanup pending acks on timeout to prevent memory leak

revert: fix: cleanup pending acks on timeout to prevent memory leak

chore(release): engine.io@6.6.6

fix(eio): add @types/ws as dependency (#5458)

fix(eio): emit initial_headers and headers events in uServer (#5460)

fix: cleanup pending acks on timeout to prevent memory leak (#5442)

fix(types): properly import http module