Update dependency lodash to v4.17.21

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This PR contains the following updates:

Package	Type	Update	Change
lodash (source)	dependencies	patch	4.17.4 -> 4.17.21

By merging this PR, the issue #9 will be automatically resolved and closed:

Severity	CVSS Score	CVE
High	9.1	CVE-2019-10744
High	7.4	CVE-2020-8203
High	7.2	CVE-2021-23337
Medium	6.5	CVE-2018-3721
Medium	6.5	CVE-2019-1010266
Medium	5.6	CVE-2018-16487
Medium	5.3	CVE-2020-28500

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Release Notes

lodash/lodash

v4.17.21

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v4.17.20

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v4.17.16

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v4.17.15

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v4.17.14

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v4.17.13

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v4.17.12

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v4.17.11

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v4.17.10

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v4.17.9

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v4.17.5

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