feat: Implement FuncDoTaskBuilder to also cover raise and tryCatch

[matheusandre1]

Many thanks for submitting your Pull Request ❤️!

What this PR does / why we need it: draft to Closes: #1304

Special notes for reviewers:

Additional information (if needed):

[matheusandre1]

take a look, @domhanak....

[mcruzdev]

Hi @matheusandre1 is this ready for review?

[Copilot]

Pull request overview

This PR extends the experimental FuncWorkflowBuilder / FuncDoTaskBuilder fluent API so function-based workflows can include raise() and tryCatch() tasks (per #1304), avoiding the need to fall back to JQ for these constructs.

Changes:

• Add raise(...) and tryCatch(...) support to the func “do” fluent surface (FuncDoFluent, FuncDoTaskBuilder, FuncTaskItemListBuilder) and provide matching FuncDSL helpers.
• Introduce FuncRaiseTaskBuilder and FuncTryTaskBuilder to build the corresponding spec task structures.
• Add a JUnit test validating raise and try/catch compilation through FuncWorkflowBuilder.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
experimental/fluent/func/src/test/java/io/serverlessworkflow/fluent/func/FuncDSLTest.java	Adds coverage ensuring raise and tryCatch tasks are emitted correctly via FuncWorkflowBuilder.
experimental/fluent/func/src/main/java/io/serverlessworkflow/fluent/func/spi/FuncDoFluent.java	Extends the func “do” fluent interface to include raise and try/catch task fluent APIs.
experimental/fluent/func/src/main/java/io/serverlessworkflow/fluent/func/dsl/FuncDSL.java	Adds FuncDSL.raise(...) and FuncDSL.tryCatch(...) task configurer helpers.
experimental/fluent/func/src/main/java/io/serverlessworkflow/fluent/func/FuncTryTaskBuilder.java	New builder for try/catch tasks (try handler + catch handler + retry/errors/backoff helpers).
experimental/fluent/func/src/main/java/io/serverlessworkflow/fluent/func/FuncTaskItemListBuilder.java	Implements list-level raise and tryCatch task appenders.
experimental/fluent/func/src/main/java/io/serverlessworkflow/fluent/func/FuncRaiseTaskBuilder.java	New builder for raise tasks.
experimental/fluent/func/src/main/java/io/serverlessworkflow/fluent/func/FuncDoTaskBuilder.java	Wires raise and tryCatch through the workflow “do” builder to the underlying list builder.

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