Bump @guardian/cdk from 50.10.3 to 50.10.6 in /notificationworkerlambda/cdk

[dependabot[bot]]

Bumps @guardian/cdk from 50.10.3 to 50.10.6.

Release notes

Sourced from @​guardian/cdk's releases.

v50.10.6

50.10.6 (2023-07-27)

Bug Fixes

• project-generator: Update @guardian/prettier to v5.0.0 (16ec0aa)

v50.10.5

50.10.5 (2023-07-27)

Bug Fixes

• deps: Dependency updates (#1957) (85996a3)

v50.10.4

50.10.4 (2023-07-26)

Bug Fixes

• Don't set prefix settings if using default values in riff-raff.yml (35a001b)

Commits

• e95d839 Merge pull request #1947 from guardian/dependabot/npm_and_yarn/prettier-3.0.0
• 16ec0aa fix(project-generator): Update @guardian/prettier to v5.0.0
• 00d2085 chore: Apply Prettier formatting
• 51d8aa9 chore(deps): bump prettier from 2.8.8 to 3.0.0
• 85996a3 fix(deps): Dependency updates (#1957)
• f5d38f9 Merge pull request #1952 from guardian/pf/dont-set-default-values-riffraff
• 35a001b fix: Don't set prefix settings if using default values in riff-raff.yml
• See full diff in compare view

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[dependabot[bot]]

Looks like @guardian/cdk is no longer updatable, so this is no longer needed.