Update github action server id central-portal-snapshots

  * checkout to v6
  * setup-jave to v5
  * maven-settings to 4.0.0
  * Remove useless Jenkinsfile and travis-settings
  * Add dependabot

github actions update

Bumps [org.apache.maven.plugins:maven-source-plugin](https://github.com/apache/maven-source-plugin) from 3.3.0 to 3.3.1.
- [Release notes](https://github.com/apache/maven-source-plugin/releases)
- [Commits](apache/maven-source-plugin@maven-source-plugin-3.3.0...maven-source-plugin-3.3.1)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-source-plugin
  dependency-version: 3.3.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [org.apache.maven.plugins:maven-install-plugin](https://github.com/apache/maven-install-plugin) from 3.1.1 to 3.1.4.
- [Release notes](https://github.com/apache/maven-install-plugin/releases)
- [Commits](apache/maven-install-plugin@maven-install-plugin-3.1.1...maven-install-plugin-3.1.4)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-install-plugin
  dependency-version: 3.1.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [org.apache.maven.plugins:maven-deploy-plugin](https://github.com/apache/maven-deploy-plugin) from 3.1.1 to 3.1.4.
- [Release notes](https://github.com/apache/maven-deploy-plugin/releases)
- [Commits](apache/maven-deploy-plugin@maven-deploy-plugin-3.1.1...maven-deploy-plugin-3.1.4)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-deploy-plugin
  dependency-version: 3.1.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [org.apache.maven.plugins:maven-surefire-plugin](https://github.com/apache/maven-surefire) from 3.2.2 to 3.2.5.
- [Release notes](https://github.com/apache/maven-surefire/releases)
- [Commits](apache/maven-surefire@surefire-3.2.2...surefire-3.2.5)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-surefire-plugin
  dependency-version: 3.2.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [org.jacoco:jacoco-maven-plugin](https://github.com/jacoco/jacoco) from 0.8.9 to 0.8.14.
- [Release notes](https://github.com/jacoco/jacoco/releases)
- [Commits](jacoco/jacoco@v0.8.9...v0.8.14)

---
updated-dependencies:
- dependency-name: org.jacoco:jacoco-maven-plugin
  dependency-version: 0.8.14
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

….jacoco-jacoco-maven-plugin-0.8.14

Bump org.jacoco:jacoco-maven-plugin from 0.8.9 to 0.8.14

….apache.maven.plugins-maven-surefire-plugin-3.2.5

Bump org.apache.maven.plugins:maven-surefire-plugin from 3.2.2 to 3.2.5

….apache.maven.plugins-maven-deploy-plugin-3.1.4

Bump org.apache.maven.plugins:maven-deploy-plugin from 3.1.1 to 3.1.4

….apache.maven.plugins-maven-source-plugin-3.3.1

Bump org.apache.maven.plugins:maven-source-plugin from 3.3.0 to 3.3.1

….apache.maven.plugins-maven-install-plugin-3.1.4

Bump org.apache.maven.plugins:maven-install-plugin from 3.1.1 to 3.1.4

Bumps [org.apache.maven.plugins:maven-failsafe-plugin](https://github.com/apache/maven-surefire) from 3.2.2 to 3.2.5.
- [Release notes](https://github.com/apache/maven-surefire/releases)
- [Commits](apache/maven-surefire@surefire-3.2.2...surefire-3.2.5)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-failsafe-plugin
  dependency-version: 3.2.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

….apache.maven.plugins-maven-failsafe-plugin-3.2.5

Bump org.apache.maven.plugins:maven-failsafe-plugin from 3.2.2 to 3.2.5