Update dependency serverless to v4

[mend-for-github-com]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
serverless	^2.11.1 -> ^4.0.0

By merging this PR, the issue #4 will be automatically resolved and closed:

Severity	CVSS Score	CVE	Reachability
Critical	10.0	CVE-2022-2421
Critical	9.8	CVE-2021-3918
Critical	9.8	CVE-2021-44906
Critical	9.8	CVE-2023-36665
Critical	9.4	CVE-2021-31597
High	8.8	CVE-2022-0355
High	8.2	CVE-2021-32803
High	8.2	CVE-2021-32804
High	8.2	CVE-2021-37701
High	8.2	CVE-2021-37712
High	8.2	CVE-2021-37713
High	8.2	CVE-2022-25878
High	8.1	CVE-2020-28502
High	8.1	CVE-2022-24066
High	8.1	CVE-2022-24433
High	8.1	CVE-2022-25912
High	7.8	CVE-2021-43138
High	7.8	CVE-2021-43138
High	7.5	CVE-2021-33502
High	7.5	CVE-2021-3749
High	7.5	CVE-2021-3807
High	7.5	CVE-2021-3807
High	7.5	CVE-2021-3807
High	7.5	CVE-2022-24785
High	7.5	CVE-2022-24999
High	7.5	CVE-2022-31129
High	7.5	CVE-2022-38900
High	7.5	CVE-2024-37890
High	7.5	CVE-2024-37890
High	7.5	WS-2021-0152
High	7.5	WS-2023-0439
High	7.3	CVE-2022-48285
High	7.3	CVE-2023-26159
High	7.2	CVE-2021-23337
Medium	6.5	CVE-2022-0155
Medium	6.5	CVE-2023-26136
Medium	6.5	CVE-2023-45857
Medium	6.1	CVE-2022-0235
Medium	5.3	CVE-2020-28469
Medium	5.3	CVE-2020-28500
Medium	5.3	CVE-2021-23413
Medium	5.3	CVE-2021-29060
Medium	5.3	CVE-2021-32640
Medium	5.3	CVE-2021-32640
Medium	5.3	CVE-2022-25881
Medium	5.3	CVE-2022-25881
Medium	5.3	CVE-2022-25883
Medium	5.3	CVE-2022-25883
Medium	5.3	CVE-2022-25883
Medium	5.3	CVE-2022-25901
Medium	5.3	CVE-2022-33987
Medium	5.3	CVE-2022-33987
Medium	5.3	CVE-2022-33987
Medium	5.3	CVE-2023-0842
Medium	4.3	CVE-2024-55565
Low	2.6	CVE-2022-0536
Low	0.0	CVE-2024-27088

---

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

[amplify-self-hosted-runners]

Check Name	Conclusion	Summary	Output
Mend Security Check	success	Security Report	output
Mend License Check	success	License Report	output