chore(release): bump version to 0.31.2

[wenyt (wenytang-ms)]

Summary

• Prepare the 0.31.2 patch release with one release commit based on main.
• Update the extension version in package.json and both root version fields in package-lock.json.
• Add release notes for project JDK selection and runtime synchronization, including the Refresh JDKs action (fix: synchronize project JDK runtime selection #1777).
• Document the tooling JDK guidance and runtime reporting fixes (fix: tooling JDK requirements and runtime selection for redhat.java 1.57 #1768), and restored HTTPS certificate validation (fix: restore TLS certificate validation #1717).
• Keep dependency metadata and all previous changelog entries unchanged.

Validation

• Verified that the extension manifest and both root lockfile versions are 0.31.2.
• Verified that only CHANGELOG.md, package.json, and package-lock.json differ from the base branch.
• Verified that dependency metadata and previous changelog entries are preserved.
• git -c core.whitespace=cr-at-eol diff --check passed.

[Copilot]

🟢 Approval recommended

The version fields are consistent and the release notes accurately reflect the referenced fixes.

0 open findings

What changed in this PR

Bumps the extension to patch release 0.31.2 and documents included fixes.

Changes:

• Updates manifest and lockfile versions.
• Adds release notes for JDK synchronization, runtime reporting, and TLS fixes.

File	Description
package.json	Bumps extension version to 0.31.2.
package-lock.json	Synchronizes root package versions.
CHANGELOG.md	Adds 0.31.2 release notes.

🧠 Review effort: Balanced

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[Copilot]

🟢 Approval recommended

The version fields and release notes are consistent with the stated release scope.

0 open findings

🧠 Review effort: Balanced