DOCS-1034 - Update ACM documentation

[jpipkin1]

Purpose of this pull request

This pull request adds a release note and updates these articles:

• https://help.sumologic.com/docs/send-data/hosted-collectors/cloud-syslog-source/
• https://help.sumologic.com/docs/send-data/hosted-collectors/cloud-syslog-source/rsyslog/
• https://help.sumologic.com/docs/send-data/hosted-collectors/cloud-syslog-source/syslog-ng/
• https://help.sumologic.com/docs/send-data/collect-from-other-data-sources/collect-logs-sentinelone/#step-1-geta-token-and-certificate-from-sumo-logic
• https://help.sumologic.com/docs/integrations/saas-cloud/acquia/#step-2-configure-a-source

Select the type of change

• Minor Changes - Typos, formatting, slight revisions
• Update Content - Revisions, updating sections
• New Content - New features, sections, pages, tutorials
• Site and Tools - .clabot, version updates, maintenance, dependencies, new packages for the site (Docusaurus, Gatsby, React, etc.)

Ticket (if applicable)

DOCS-1034