fix: Make insecure flag in tls config optional

[chrkl]

Description

#347 added mTLS support for TracePipelines. The added TLS sub-resource of the CRD make the insecure flag mandatory. This PR makes the flag optional and defaults to false.

Changes proposed in this pull request:

• Make insecure flag in OTLP TLS settings optional

Related Issues and Documents

Closes:

Related issues: kyma-project/kyma#17995

Traceability

• The PR is linked to a GitHub Issue.
• New features have a milestone label set.
• New features have defined acceptance criteria in a corresponding GitHub Issue, and all criteria are satisfied with this PR.
• The corresponding GitHub Issue has a respective area label.
• The follow-up issues (if any) are linked in the Related Issues section.

Testability

The feature is unit-tested:

• Yes.
• No, because unit tests are not needed.
• No, because only the CRD is changed, not visible in Go code

The feature is e2e-tested:

• Yes.
• No, because e2e-tests are not needed.
• No, because only the CRD is changed, not visible in Go code

Tests conducted for the PR:

Codebase

• My code follows the Effective Go style guidelines.
• The code was planned and designed following the defined architecture and the separation of concerns.
• The code has sufficient comments, particularly for all hard-to-understand areas.
• This PR adds value and shows no feature creep.
• I have augmented the test suite that proves my fix is effective or that my feature works.
• Adjusted the documentation if the change is user-facing.

[kyma-bot]

@chrkl: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-telemetry-manager-governance	3549b8e	link	false	/test pull-telemetry-manager-governance

Full PR test history. Your PR dashboard.

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