Bump alfresco.ais.version from 3.1.1-A2 to 3.1.1-A3

Bumps `alfresco.ais.version` from 3.1.1-A2 to 3.1.1-A3.

Updates `org.alfresco:alfresco-ai-repo` from 3.1.1-A2 to 3.1.1-A3

Updates `org.alfresco:alfresco-ai-share` from 3.1.1-A2 to 3.1.1-A3

---
updated-dependencies:
- dependency-name: org.alfresco:alfresco-ai-repo
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.alfresco:alfresco-ai-share
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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