chore(main): release dev.openfeature.contrib.providers.flagd 0.8.6

[github-actions[bot]]

:robot: I have created a release beep boop

0.8.6 (2024-08-19)

🐛 Bug Fixes

• deps: update grpc-java monorepo to v1.66.0 (#909) (a1bd2db)
• deps: update opentelemetry-java monorepo to v1.41.0 (#911) (157705a)

🧹 Chore

• deps: update dependency org.codehaus.mojo:exec-maven-plugin to v3.4.0 (#905) (fe213ee)
• deps: update dependency org.codehaus.mojo:exec-maven-plugin to v3.4.1 (#914) (c68d0c5)
• deps: update junit5 monorepo (#917) (0fe925a)

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