Apache Airflow <= 2.10 support removal from Helm Chart

[Miretpl]

Description

The goal of this issue is to track the work on removing Apache Airflow <= 2.10 support from the Helm Chart. Below are two lists of files that need to be updated to fully remove support for Apache Airflow < 2.0 and remaining <= 2.10.

Apache Airflow < 2.0

• chart/values.schema.json
• chart/values.yaml
• chart/templates/_helpers.yaml
• chart/templates/NOTES.txt - addition of a message that Chart is deployed with unsupported version
• chart/templates/configmaps/configmap.yaml
• chart/templates/scheduler/scheduler-deployment.yaml
• chart/templates/webserver/webserver-deployment.yaml
• chart/README.md
• chart/docs/index.rst
• chart/docs/manage-dag-files.rst - section "Mounting Dags using git-sync sidecar without persistence"
• helm-tests/ - TBD

Apache Airflow <= 2.10

• chart/values.schema.json
• chart/values.yaml
• chart/files/pod-template-file.kubernetes-helm.yaml
• chart/templates/_helpers.yaml
• chart/templates/NOTES.txt - addition of a message that Chart is deployed with unsupported version
• chart/templates/dag-processor/dag-processor-deployment.yaml
• chart/templates/dag-processor/dag-processor-serviceaccount.yaml
• chart/templates/pgbouncer/pgbouncer-networkpolicy.yaml
• chart/templates/rbac/security-context-constraint-rolebinding.yaml
• chart/templates/secrets/result-backend-connection-secret.yaml
• chart/templates/triggerer/triggerer-deployment.yaml
• chart/templates/triggerer/triggerer-kedaautoscaler.yaml
• chart/templates/triggerer/triggerer-networkpolicy.yaml
• chart/templates/triggerer/triggerer-service.yaml
• chart/templates/triggerer/triggerer-serviceaccount.yaml
• chart/templates/workers/worker-deployment.yaml
• chart/README.md
• chart/docs/index.rst
• chart/docs/manage-dag-files.rst - section "Bake Dags in docker image"
• chart/docs/production-guide.rst - section "Kubernetes Secret"
• chart/docs/quick-start.rst - section "Extending Airflow Image"
• helm-tests/ - TBD

Use case/motivation

After achieving LAZY CONSENSUS and discussion, this issue will track the support removal process for Apache Airflow <= 2.10 versions from Helm Chart.

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[boring-cyborg]

Thanks for opening your first issue here! Be sure to follow the issue template! If you are willing to raise PR to address this issue please do so, no need to wait for approval.

[Miretpl]

I am unable to assign myself, so if someone from the Commiters could assign me to it, I would be grateful.

[potiuk]

Done :)