fix(deps): update dependency @grpc/grpc-js to v1.4.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@grpc/grpc-js (source)	1.4.1 -> 1.4.2

---

Release Notes

grpc/grpc-node

v1.4.2

Compare Source

• Limit the number of channelz trace events retained per channel/subchannel/server (#​1943)
• Enable support for the grpc.enable_channelz option, allowing users to disable channelz stats tracking and tracing for a channel (and corresponding subchannels) or server (#​1944)
• Handle undefined socket.localAddress in channelz stats gathering code (#​1954)

---

Configuration

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

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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

---

• If you want to rebase/retry this PR, click this checkbox.

---

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

[coveralls]

Pull Request Test Coverage Report for Build e789288d-8daf-448e-8560-8a8d5c0de03e

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 94.174%

---

Totals
Change from base Build 8bef8cae-6c99-4a3b-8be5-5ff1febbdda7:	0.0%
Covered Lines:	5658
Relevant Lines:	6008

---

💛 - Coveralls