Improvements of and documentation of the Gradle build

[jjohannes]

This issue is a follow-up for the work done here: #1732
Each task should be converted to an issue and addressed separately. Tasks are aligned in a priority order.

Tasks

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1. Fix address book tasks in Taskfile.yml #1885
   bug +1
   
2. Add more docs for the Gradle build (.md files, in particular for adding/modifying dependencies)
3. Add more docs for the Gradle build (.kts files, code comments)
4. Revisit docs in /docs directory (ensure info in them is still relevant) #1898
   +0
   
5. Revisit GH Actions names #1894
   +0
   
6. Introduce Guava fix, which should be in plugin in the future
7. Get rid of mergeJar("com.google.code.findbugs:jsr305")
8. Resolve duplication in constraints publishing (right now there is some duplication)
9. Adjust the code style rules and tools to what its done in hedera-services (e.g. remove sonar, introduce spotless, decide if we want to keep error prone etc.)
10. Revisit gradle setup in tck project
11. Update authors (publishing info) #1896
    +0
    
12. Review what SDK dependencies should be transitive: build: Kotlin DSL / Convention Plugins / Java Modules #1732 (comment)
13. Gradle task for Uber Jar creation
14. Revisit Taskfile.yml (maybe make it as gradle tasks)
15. Add PR Check for the Android Example (that it builds)

[jjohannes]

Related:

• Check which boxed can be ticked after build: use common Hiero Gradle config #2033 is integrated
• Check what may already be documented through Document Gradle configuration hiero-ledger/hiero-gradle-conventions#6