feat(core): Add support for digestAuth to httpRequest and declarative style

[janober]

We should think about the naming of the option. I simply named it now like it was in the request library.

Github issue / Community forum post (link here to close automatically):
https://community.n8n.io/t/authentication-in-declarative-nodes/23764/5

[github-actions]

Great PR! Please pay attention to the following items before merging:

Files matching packages/**:

• If fixing bug, added test to cover scenario.
• If addressing forum or Github issue, added link to description.

Files matching packages/**/*.ts:

• Added unit tests to cover new or updated functionality.

Make sure to check off this list before asking for review.

[codecov]

Codecov Report

Patch coverage: 7.69% and project coverage change: -0.01 ⚠️

Comparison is base (c6ba0bd) 10.25% compared to head (15f5309) 10.25%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5676      +/-   ##
==========================================
- Coverage   10.25%   10.25%   -0.01%     
==========================================
  Files        2200     2200              
  Lines       84647    84657      +10     
  Branches    16680    16682       +2     
==========================================
  Hits         8681     8681              
- Misses      75480    75490      +10     
  Partials      486      486              

Impacted Files	Coverage Δ
packages/core/src/NodeExecuteFunctions.ts	10.16% <0.00%> (-0.12%)	⬇️
packages/workflow/src/Interfaces.ts	50.00% <ø> (ø)
packages/cli/src/CredentialsHelper.ts	25.24% <100.00%> (ø)

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[Joffcom]

Looks good to me.

[github-actions]

✅ All Cypress E2E specs passed

[janober]

Got released with n8n@0.226.1