Bump ff4j-core from 1.8.12-SNAPSHOT to 1.9 in /ff4j-strategy-drools

[dependabot]

Bumps ff4j-core from 1.8.12-SNAPSHOT to 1.9.

Release notes

Sourced from ff4j-core's releases.

1.9

This is the release version 1.9 of FF4j

Release notes:

• Fix CVE-2022-44262 as describe with #624 and #646
• Fix #611 - Requiring DynamoDB configuration to be set via properties
• Fix #548 - Issue with Spring Boot 2.6.4 and Thymeleaf 3.0.15
• Fix #570 - Vulnerabilities with "old" console
• Fix #531 - Removing confirmation bloc on the user interface
• Fix #520 - Update bootstrap version
• Numerous (dozens) updates of versions dependencies

Changelog

Sourced from ff4j-core's changelog.

Release Workflow

The following document should be used to help people from the team to release a new version of ff4j

Release Check LIST

ff4j

• Start the ssh-agent

eval "$(ssh-agent -s)"

• Add the ssh key to the agent

cd ~/.ssh
ssh-add githubff4j

• Update sources

find . -type f -name *.DS_Store -ls -delete
git pull
git add -A
git commit -m "delivery"
git push

• Release

mvn release:prepare release:perform

• Go to the taglist on github then create the release
• Create a release note document

`Fixes:`
 + XXX ([#000](https://github.com/ff4j/ff4j/issues/000))
`Evolutions`
 + YYY ([#000](https://github.com/ff4j/ff4j/issues/000))

ff4j-spring-boot-starter

• Go to the spring-boot-starter

find . -type f -name *.DS_Store -ls -delete
git pull

• Change the FF4j version in the pom.xml ex:1.8.x
• Check build mvn clean install
• Push modifications

git add -A
git commit -m "bump ff4j version to 1.8.x"
git push
</tr></table> 

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