feat: add JVM wide truststore configuration and tests

[nil-malh]

📝 Description

Adds a config to manage truststore at the JVM level

Resolves #42

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🔄 Type of Change

• ✨ New feature — non-breaking change that adds functionality

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✅ Pre-Merge Checklist

Code Quality

• My code follows the Palantir Java Format style (passes mvn spotless:check)
• I have added or updated Javadoc on public types and methods

Tests

• I have added unit tests that cover the new / changed behaviour
• All existing and new tests pass locally (mvn verify)
• JaCoCo line coverage ≥ 70 % is maintained
• Tests using Testcontainers are isolated and do not leave containers running

Licensing

• Apache 2.0 license header has been added to every new source file (using spotless)

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Snapshot Warnings

⚠️: No snapshots were found for the head SHA 2b5990a.

Ensure that dependencies are being submitted on PR branches and consider enabling retry-on-snapshot-warnings. See the documentation for more information and troubleshooting advice.

Scanned Files

None

[github-actions]

📋 Unreleased Changelog Preview

This is what the next release notes will look like based on commits in this PR.

Changelog

All notable changes to this project will be documented in this file.

[Unreleased]

✨ Features

• Add JVM wide truststore configuration and tests

⬆️ Dependency Updates

• Bump com.typesafe:config from 1.4.8 to 1.4.9 (deps) — @dependabot[bot]

• Bump com.fasterxml.jackson:jackson-bom from 2.21.3 to 2.22.0 (deps) — @dependabot[bot]

• Bump org.sonatype.central:central-publishing-maven-plugin (deps-dev) — @dependabot[bot]

• Bump com.diffplug.spotless:spotless-maven-plugin (deps-dev) — @dependabot[bot]

• Bump the kafka group with 2 updates (deps) — @dependabot[bot]

• Bump the cucumber group with 4 updates (deps) — @dependabot[bot]

• Bump the junit5 group with 3 updates (deps-dev) — @dependabot[bot]

• Bump org.apache.kafka:kafka-clients (deps) — @dependabot[bot]

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Generated by git-cliff

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🔄 Run #115 · Sat, 04 Jul 2026 15:55:51 GMT

[github-actions]

✅ Test Results

	Metric	Count
✅	Passed	665
❌	Failed	0
⏭️	Skipped	0
📊	Total	665

✅ Coverage

	Type	Coverage	Covered / Total
📏	Lines	83.8%	1738 / 2074
🌿	Branches	72.8%	525 / 721
🔧	Methods	83.3%	360 / 432

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🔄 CI run #134 · Sat, 04 Jul 2026 15:59:32 GMT