chore: add configuration for Dependabot

[bednar]

Proposed Changes

1. Added configuration for Dependabot.
2. Removed npm lock file.
3. Updated yarn.lock to latest versions.

Checklist

• Rebased/mergeable
• yarn test completes successfully
• Commit messages are conventional
• Sign CLA (if not already signed)

[codecov-commenter]

Codecov Report

Merging #26 (a429bb6) into master (2704c02) will decrease coverage by 0.02%.
The diff coverage is 78.57%.

@@            Coverage Diff             @@
##           master      #26      +/-   ##
==========================================
- Coverage   82.68%   82.65%   -0.03%     
==========================================
  Files           2        2              
  Lines         358      369      +11     
  Branches       77       82       +5     
==========================================
+ Hits          296      305       +9     
- Misses         55       57       +2     
  Partials        7        7              

Impacted Files	Coverage Δ
src/Connector.js	35.41% <0.00%> (-0.38%)	⬇️
src/InfluxDBClient.js	99.26% <91.66%> (-0.36%)	⬇️

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