A new flag could be created to block the use of HTTP endpoints for acquiring sources.
When enabled, the flag would not allow the use of the http scheme across all controller-level objects.

📝 To do:

• Disable HTTP scheme for GenericProvider.
• Disable HTTP scheme for SlackProvider.
• Disable HTTP scheme for GrafanaProvider.
• Disable HTTP scheme for DiscordProvider.
• Disable HTTP scheme for MSTeamsProvider.
• Disable HTTP scheme for RocketProvider.
• Disable HTTP scheme for GitHubDispatchProvider.
• Disable HTTP scheme for GitHubProvider.
• Disable HTTP scheme for GitLabProvider.
• Disable HTTP scheme for BitbucketProvider.
• Disable HTTP scheme for AzureDevOpsProvider.
• Disable HTTP scheme for GoogleChatProvider.
• Disable HTTP scheme for WebexProvider.
• Disable HTTP scheme for SentryProvider.
• Disable HTTP scheme for AzureEventHubProvider.
• Disable HTTP scheme for TelegramProvider.
• Disable HTTP scheme for LarkProvider.
• Disable HTTP scheme for Matrix.
• Disable HTTP scheme for OpsgenieProvider.
• Disable HTTP scheme for AlertManagerProvider.