fix(deps): update spring boot to v4 (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.springframework.boot:spring-boot-maven-plugin (source)	3.5.8 -> 4.0.0
org.springframework.boot:spring-boot-starter-test (source)	3.5.8 -> 4.0.0
org.springframework.boot:spring-boot-starter-batch (source)	3.5.8 -> 4.0.0
org.springframework.boot:spring-boot-starter-data-jpa (source)	3.5.8 -> 4.0.0
org.springframework.boot:spring-boot-starter-web (source)	3.5.8 -> 4.0.0
org.springframework.boot:spring-boot-starter-security (source)	3.5.8 -> 4.0.0
org.springframework.boot:spring-boot-starter-oauth2-client (source)	3.5.8 -> 4.0.0
org.springframework.boot:spring-boot-starter-oauth2-resource-server (source)	3.5.8 -> 4.0.0
org.springframework.boot:spring-boot-starter-actuator (source)	3.5.8 -> 4.0.0
org.springframework.boot:spring-boot-starter-validation (source)	3.5.8 -> 4.0.0
org.springframework.boot:spring-boot-starter-parent (source)	3.5.8 -> 4.0.0

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Release Notes

spring-projects/spring-boot (org.springframework.boot:spring-boot-maven-plugin)

v4.0.0

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[igorcampos-dev]

@CodeRabbit-ai please open an issue requesting that all modules of this project be updated to Spring Boot 4.0.0 (and corresponding Spring Framework versions).

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🧩 Analysis chain

🏁 Script executed:

#!/bin/bash

# Find all modules/directories with pom.xml to understand project structure
echo "=== Project Modules ==="
fd -t f '^pom\.xml$' -x dirname {} | sort | uniq

# Get PR information
echo -e "\n=== PR Information ==="
gh pr view 127 --json url,title --jq '{url: .url, title: .title}'

Length of output: 544

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🏁 Script executed:

#!/bin/bash

# Create GitHub issue for Spring Boot 4.0.0 migration
gh issue create \
  --title "Update all modules to Spring Boot 4.0.0 and corresponding Spring Framework versions" \
  --body "## Description

This issue tracks the migration of all project modules to Spring Boot 4.0.0 and the corresponding Spring Framework versions.

## Context

Related to PR #127: https://github.com/igorcampos-dev/spring-integrations-examples/pull/127

## Modules to Update

The following modules need to be updated:

- [ ] spring-batch-db-examples
- [ ] spring-batch-file-examples
- [ ] spring-jasper-example
- [ ] spring-kafka-example
- [ ] spring-keycloak-example
- [ ] spring-multimodule-example (including sub-modules)
- [ ] spring-mysql-example
- [ ] spring-oracle-example
- [ ] spring-postgres-example
- [ ] spring-prometheus-grafana-example

## Tasks

1. Update Spring Boot dependencies to 4.0.0
2. Update corresponding Spring Framework versions
3. Test each module after migration
4. Address any breaking changes or deprecations

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Requested by: @igorcampos-dev" \
  --assignee igorcampos-dev

Length of output: 73

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@igorcampos-dev I've created issue #129 to track the migration of all project modules to Spring Boot 4.0.0 and corresponding Spring Framework versions.

The issue includes:

• A checklist of all 10 main modules that need to be updated
• A reference to PR fix(deps): update spring boot to v4 (major) #127 as context
• Tasks outlining the migration steps
• Assignment to you

You can view the issue here: #129

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🧠 Learnings used

Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 21
File: spring-kafka-example/README.md:12-17
Timestamp: 2025-07-22T01:35:41.406Z
Learning: User igorcampos-dev prefers minimal, high-level documentation in README files without detailed version specifications, choosing to keep tech stack information simple rather than adding precise version numbers.

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Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 21
File: spring-kafka-example/compose.yaml:30-32
Timestamp: 2025-07-22T01:30:57.054Z
Learning: User igorcampos-dev prefers to maintain environment parity between local development and production, avoiding development-specific configurations like ALLOW_PLAINTEXT_LISTENER even when they might provide clearer intent or safety nets.

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Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 26
File: spring-kafka-example/compose.yaml:3-4
Timestamp: 2025-07-24T01:40:49.337Z
Learning: User igorcampos-dev requires hard-coded container names in Docker Compose files (like `container_name: app`) for CI pipeline validation purposes, which is a valid operational requirement that overrides the general best practice of avoiding hard-coded container names.

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