Update dependency redis to v4.6.15

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
redis	4.6.7 -> 4.6.15

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Release Notes

redis/node-redis (redis)

v4.6.15

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Enhancements

• Upgrade @redis/client from 1.5.16 to 1.5.17

v4.6.14

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Enhancements

• Upgrade @redis/client from 1.5.14 to 1.5.16

v4.6.13

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Enhancements

• Upgrade @redis/client from 1.5.13 to 1.5.14

v4.6.12

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Enhancements

• Upgrade @redis/client from 1.5.12 to 1.5.13

v4.6.11

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Enhancements

• Upgrade @redis/client from 1.5.11 to 1.5.12
• Upgrade @redis/graph from 1.1.0 to 1.1.1
• Upgrade @redis/json from 1.1.5 to 1.1.6

v4.6.10

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Fixes

• Revert the minimum node version change
• Upgrade @redis/client from 1.5.9 to 1.5.10
• Upgrade @redis/search from 1.1.3 to 1.1.4
• Upgrade @redis/json from 1.0.4 to 1.0.5

v4.6.9

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Enhancements

• Upgrade @redis/client from 1.5.9 to 1.5.10
• Upgrade @redis/search from 1.1.3 to 1.1.4
• Upgrade @redis/json from 1.0.4 to 1.0.5

v4.6.8

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Enhancements

• upgrade @redis/client from 1.5.8 to 1.5.9
• upgrade @redis/time-series from 1.0.4 to 1.0.5

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