feat(deps): use projen token for deps workflow if defined

[eladb]

If projenUpgradeSecret is defined, use it for the normal dependency upgrade workflow and not just for the projen upgrade workflow. This is useful if dep changes require workflow changes

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[codecov-commenter]

Codecov Report

Merging #846 (ecbd3e5) into main (377966e) will increase coverage by 4.95%.
The diff coverage is 76.55%.

❗ Current head ecbd3e5 differs from pull request most recent head 9f9422c. Consider uploading reports for the commit 9f9422c to get more accurate results

@@            Coverage Diff             @@
##             main     #846      +/-   ##
==========================================
+ Coverage   78.46%   83.42%   +4.95%     
==========================================
  Files          88      101      +13     
  Lines        3181     3861     +680     
  Branches      809      903      +94     
==========================================
+ Hits         2496     3221     +725     
+ Misses        683      637      -46     
- Partials        2        3       +1     

Impacted Files	Coverage Δ
src/cdk8s-app-ts.ts	91.89% <ø> (ø)
src/cdk8s-construct.ts	33.33% <ø> (ø)
src/file.ts	97.14% <ø> (+0.17%)	⬆️
src/github/auto-merge.ts	92.85% <ø> (-7.15%)	⬇️
src/github/dependabot.ts	96.77% <ø> (ø)
src/github/index.ts	100.00% <ø> (ø)
src/java/pom.ts	93.84% <ø> (ø)
src/object-file.ts	100.00% <ø> (+2.38%)	⬆️
src/tasks/model.ts	100.00% <ø> (ø)
src/tasks/runtime.ts	14.54% <16.66%> (-1.76%)	⬇️
... and 124 more

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