Update dependency rxjs to v6.6.2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
rxjs	devDependencies	minor	6.5.1 -> 6.6.2

---

Release Notes

reactivex/rxjs

v6.6.2

Compare Source

v6.6.1

Compare Source

v6.6.0

Compare Source

v6.5.5

Compare Source

v6.5.4

Compare Source

v6.5.3

Compare Source

Bug Fixes

• general: Refactor modules so they don't show side effects in some tools (#​4769) (9829c5e0)
• defer: restrict allowed factory types (#​4835) (40a22096)

v6.5.2

Compare Source

Bug Fixes

• endWith: wrap args - they are not observables - in of before concatenating (#​4735) (986be2f)
• forkJoin: test for object literal (#​4741) (c11e1b3), closes #​4737 #​4737
• Notification: replace const enum (#​4556) (e460eec), closes #​4538
• of: remove deprecation comment to prevent false positive warning (#​4724) (da69c16)
• pairwise: make it recursion-proof (#​4743) (21ab261)
• scan: fixed declarations to properly support different return types (#​4598) (126d2b6)
• Subscription: Return Empty when teardown === null (#​4575) (ffc4e68)
• throttleTime: emit single value with trailing enabled (#​4564) (fd690a6), closes #​2859 #​4491
• umd: export fetch namespace (#​4738) (7926122)
• fromFetch: don't abort if fetch resolves (#​4742 (ed8d771)

---

Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Enabled.

♻️ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.

[renovate]

Branch automerge failure

This PR was configured for branch automerge, however this is not possible so it has been raised as a PR instead.

---

• Branch has one or more failed status checks