Revert Chart.yaml dependency changes to use remote repositories

The file:// dependencies were for local development only and break the
published chart for end users. Reverting to remote repository URLs.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Signed-off-by: Josh Baird <jbaird@galileo.io>

Author: joshuabaird

charts/fluent-operator/Chart.yaml

@@ -23,10 +23,9 @@ maintainers:
     email: joshbaird@gmail.com
 dependencies:
   - name: fluent-bit-crds
-    repository: "file://../fluent-bit-crds"
+    repository: https://fluent.github.io/helm-charts
     version: 0.2.3
     condition: fluentbit.enable && fluentbit.crdsEnable
   - name: fluentd-crds
-    repository: "file://../fluentd-crds"
     version: 0.2.1
     condition: fluentd.enable && fluentd.crdsEnable