feat!: Refactor dependabot secrets to pass request by value

[stevehipwell]

BREAKING CHANGE: DependabotService methods involving secrets have new params and return values.

This PR updates the Dependabot secret update/create functions to use a value parameter (see #3644). This aligns Dependabot secrets with the changes made to actions secrets (#4335) & actions variables (#4346). It also aligns the names of the actions secret and variable request types.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.51%. Comparing base (d870966) to head (3b2f53f).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@ Coverage Diff @@## master #4348 +/- ##
=======================================
Coverage 97.51% 97.51% =======================================
Files 193 193 Lines 19519 19526 +7 =======================================
+ Hits 19033 19040 +7 
Misses 269 269 Partials 217 217 

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[stevehipwell]

@gmlewis rebased this PR to make it mergeable as it hadn't been reviewed yet.

[gmlewis]

Thank you, @stevehipwell!
LGTM.
Awaiting second LGTM+Approval from any other contributor to this repo before merging.

cc: @alexandear - @Not-Dhananjay-Mishra

[gmlewis]

@stevehipwell - please resolve the conflicts so that we may proceed with this PR.

[stevehipwell]

@gmlewis that should be good now.

[stevehipwell]

@gmlewis shouldn't this have been merged before the v89 release was cut given that it was part of a series of changes? RE the TF provider request, speaking as a maintainer there was no rush for the PR where a release was requested. I'd have added this as a comment if I'd thought that I'd block this PR.

[gmlewis]

@gmlewis shouldn't this have been merged before the v89 release was cut given that it was part of a series of changes? RE the TF provider request, speaking as a maintainer there was no rush for the PR where a release was requested. I'd have added this as a comment if I'd thought that I'd block this PR.

I guess I didn't fully realize the situation over at terraform.

It had been over a month since the last release and I was being asked to cut one, so I did.

I'm sorry about that, @stevehipwell.

We can cut a new one when this series of PRs is completed.

[gmlewis]

@stevehipwell - if you want these PRs moved along faster, feel free to bring in coworkers or other terraform maintainers to move these along.

[stevehipwell]

@stevehipwell - if you want these PRs moved along faster, feel free to bring in coworkers or other terraform maintainers to move these along.

@gmlewis I wish it was that easy. I'll see if I can persuade someone from the TF side to come and help.

[stevehipwell]

@alexandear@Not-Dhananjay-Mishra do either of you have time to give this a quick review?