feat(lint): enable predeclared

[vladopajic]

Checklist

• [x] I have read the coding guide.
• [ ] My change requires a documentation update, and I have done it.
• [ ] My change requires updating the Open API specification and/or changing its version, and I've done it.
• [ ] I have added tests to cover my changes.
• [x] I have filled out the description and linked the related issues.

Description

This PR is part of effort to improve static code analysis (issue https://github.com/ethersphere/bee/issues/3255)

• enable predeclared lint rule
• fix all issues reported by this rule

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This change is