Automate release for v0.7.0-qday

[illuzen]

Automated version bump for release v0.7.0-qday.

https://github.com/Quantus-Network/chain/actions/runs/27250726689

Triggered by workflow run: minor

Type:

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Note

Low Risk
Version and spec_version metadata only; no functional code changes in the diff.

Overview
Automated v0.7.0-qday release bump from 0.6.5-penestanan, with no application or runtime logic changes in the diff.

quantus-node and quantus-runtime crate versions are updated in their Cargo.toml files and reflected in Cargo.lock. On-chain runtime identity is bumped via spec_version 129 → 130 in runtime/src/lib.rs so nodes and tooling treat this as a new runtime spec for upgrades and compatibility checks.

^{Reviewed by Cursor Bugbot for commit 75711d2. Configure here.}