Bump fluent/fluent-bit in /.github/docker-dependabot

Bumps [fluent/fluent-bit](https://github.com/fluent/fluent-bit) from 2.2.0 to 3.1.10.
- [Release notes](https://github.com/fluent/fluent-bit/releases)
- [Commits](fluent/fluent-bit@v2.2.0...v3.1.10)

---
updated-dependencies:
- dependency-name: fluent/fluent-bit
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/docker-dependabot/dummy-deployment.yaml

@@ -26,4 +26,4 @@ spec:
         # 2. Manually search/replace for references of `kubernetes-operator-fluentbit:<old.version.num>` and substitute <new.version.num>.
         # 3. Manually update the version in operator/config/manager/component_versions.yaml
         - name: fluent-bit
-          image: cr.fluentbit.io/fluent/fluent-bit:2.2.0
+          image: cr.fluentbit.io/fluent/fluent-bit:3.1.10