build: sort Gradle config into more reusable pieces with less redundancy

[jjohannes]

Description:

As preparation to move things into a separate repository. (WiP)

Candidates for separate PRs:

• move:gradle/versions
• move gradle/aggregation and use for consistent resolution
• Publishing, developers.properties, description.txt
• gradle/jdk-version.txt

Related issue(s):

#14255

Notes for reviewer:

Checklist

• [ ] Documented (Code comments, README, etc.)
• [ ] Tested (unit, integration, etc.)

[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
:white_check_mark: +2.07% (target: -1.00%)	:white_check_mark: ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (753d1be0907a558dbc2e00e2609f3d8930eda15b)	98565	64922	65.87%
Head commit (9239739df0d550ae654834c715c50daaedf3b7e6)	95563 (-3002)	64921 (-1)	67.94% (+2.07%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#15282)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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_{Codacy stopped sending the deprecated coverage status on June 5th, 2024. Learn more}

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 64.19%. Comparing base (753d1be) to head (9239739). Report is 8 commits behind head on develop.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop   #15282      +/-   ##
=============================================
- Coverage      64.19%   64.19%   -0.01%     
- Complexity     20815    20817       +2     
=============================================
  Files           2548     2548              
  Lines          95800    95800              
  Branches       10028    10028              
=============================================
- Hits           61498    61496       -2     
- Misses         30687    30688       +1     
- Partials        3615     3616       +1     

see 8 files with indirect coverage changes

[jjohannes]

Playing ping-pong with Dependabot with the PR... needed to rebase several times due to conflicts with version updates.

Could you please restore your approval so that we get this in before the next conflict blocks it again.

@thomas-swirlds-labs @rbarkerSL @Neeharika-Sompalli @lpetrovic05 @mhess-swl @vtronkov

Much appreciated. 🙏