readme: update ci badges url
| CI Workflow | Status |
|-------------------|--------------------|
-| Unit Tests (master) | ![CI/Unit Tests](https://github.com/fluent/fluent-bit/actions/workflows/unit-tests.yaml/badge.svg?branch=master) |
-| Integration Tests (master) | ![CI/Integration Tests](https://github.com/fluent/fluent-bit/actions/workflows/integration-run-master.yaml/badge.svg)|
-| Latest release build | ![CI/Build](https://github.com/fluent/fluent-bit/actions/workflows/build-release.yaml/badge.svg)|
-| Docker images (master) | ![CI/Docker Images](https://github.com/fluent/fluent-bit/actions/workflows/integration-build-master.yaml/badge.svg)|
+| Unit Tests (master) | [![CI/Unit Tests](https://github.com/fluent/fluent-bit/actions/workflows/unit-tests.yaml/badge.svg?branch=master)](https://github.com/fluent/fluent-bit/actions/workflows/unit-tests.yaml) |
+| Integration Tests (master) | [![CI/Integration Tests](https://github.com/fluent/fluent-bit/actions/workflows/integration-run-master.yaml/badge.svg)](https://github.com/fluent/fluent-bit/actions/workflows/integration-run-master.yaml)|
+| Docker images (master) | [![CI/Docker Images](https://github.com/fluent/fluent-bit/actions/workflows/integration-build-master.yaml/badge.svg)](https://github.com/fluent/fluent-bit/actions/workflows/integration-build-master.yaml)|
+| Latest release build | [![CI/Build](https://github.com/fluent/fluent-bit/actions/workflows/build-release.yaml/badge.svg)](https://github.com/fluent/fluent-bit/actions/workflows/build-release.yaml)|
## Project Description
