Revisions 198, 199

Released to edge
OCI images:

What's Changed

• Update data-platform-workflows to v16.7.0 by @renovate in #175
• Lock file maintenance Python dependencies by @renovate in #176
• [DPE-3596] Test app improvements by @dragomirp in #177
• [DPE-3596] Remove relation ID from test-tls action by @dragomirp in #178
• Update Juju agents (patch) by @renovate in #179
• Update data-platform-workflows to v17 by @renovate in #181
• Lock file maintenance Python dependencies by @renovate in #183

Full Changelog: rev187...rev199