Tests: Fix testcontainers. CI: Use uv across the board.

[amotl]

Just maintenance, effectively various improvements to the CI configuration.

• CI: Don't miss running tests when testcontainers impl. changes
• Tests: Fix InfluxDB2 testcontainer implementation
• CI: Use uv across the board
• CI: Deactivate Kinesis tests on Python 3.13

[coderabbitai]

Walkthrough

This pull request consolidates Python environment setup in GitHub Actions workflows by removing explicit Python installation steps and centralizing configuration within the uv setup action. It also adds a wait_for_logs utility to the InfluxDB2 testcontainer to improve startup synchronization. The changes eliminate the UV_SYSTEM_PYTHON environment variable across all workflows and update path filters in several data source-specific CI workflows.

Changes

Cohort / File(s)	Summary
CI Workflow UV Setup Consolidation .github/workflows/dynamodb.yml, influxdb.yml, kinesis.yml, mongodb.yml, postgresql.yml	Removed UV_SYSTEM_PYTHON environment variable, eliminated explicit Python setup step, replaced cache-dependency-glob with activate-environment: 'true' in uv setup, and added testcontainer file paths to PR/push triggers.
General Workflow UV Setup Consolidation .github/workflows/main.yml, cratedb-cloud.yml, pymongo.yml	Removed UV_SYSTEM_PYTHON environment variable and explicit Python setup step; consolidated uv setup with activate-environment: 'true', removed cache-dependency-glob and version: "latest".
Release Workflow UV Setup Consolidation .github/workflows/release-app.yml, release-oci-full.yml, release-oci-ingest.yml, release-pypi.yml	Consolidated Python environment management into uv setup step by removing separate Python installation step, replacing cache configuration with activate-environment: 'true', and retaining Python version specifications.
InfluxDB2 Testcontainer Enhancement cratedb_toolkit/testing/testcontainers/influxdb2.py	Added wait_for_logs import and invocation in _connect method to improve container startup synchronization prior to client creation.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Possibly related PRs

• CI: Use the uv package manager. It is fast. #461: Implements similar GitHub Actions workflow consolidation to use astral-sh/setup-uv action with unified environment setup pattern across multiple workflows.
• Tests: Process deprecation warnings of testcontainers package #680: Modifies cratedb_toolkit/testing/testcontainers/influxdb2.py startup wait logic by adjusting container startup synchronization strategies.
• OCI: Start producing image cratedb-toolkit-ingest #508: Updates release workflow files (release-oci-full.yml and release-oci-ingest.yml) with similar Python environment consolidation changes.

Suggested reviewers

• hammerhead
• surister

Poem

🐰 With swift uv we hop and align,
Python paths in workflows now shine,
Wait for logs before we connect,
InfluxDB tests run more correct,
Cleaner steps, no waste of time!

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the two main changes: fixing testcontainers and standardizing CI to use uv across workflows.
Description check	✅ Passed	The pull request description clearly relates to the changeset, detailing maintenance work involving CI configuration improvements, testcontainer fixes, and uv adoption across workflows.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix-testcontainers

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[amotl]

We reported this or a related problem already. Apparently, it is coming back, now on Python 3.13? We think it is most probably related to our integration test setup and related timing changes by cleaning up the testcontainers rig recently. As the comment says: Let's investigate later.

• Timing-related CI failures on Python 3.11, 3.13, 3.14 hampsterx/async-kinesis#56

/cc @hampsterx