Update versions of libraries in poetry.

PATCH bump source-rss version to 1.0.15
Build source-rss docker image for platform(s) linux/amd64, linux/arm64
Get dependency updates
Create or update pull request on Airbyte repository
Add changelog entry

Author: airbyteio

airbyte-integrations/connectors/source-rss/metadata.yaml

@@ -24,7 +24,7 @@ data:
   connectorSubtype: api
   connectorType: source
   definitionId: 0efee448-6948-49e2-b786-17db50647908
-  dockerImageTag: 1.0.14
+  dockerImageTag: 1.0.15
   dockerRepository: airbyte/source-rss
   githubIssueLabel: source-rss
   icon: rss.svg