Feature/v0.15.0

[asiniscalchi]

PR Type

enhancement, tests

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Description

• Updated spec_version in RuntimeVersion from 1402 to 1500.
• Updated RUNTIME_SPEC_VERSION in tests configuration from 1402 to 1500.
• Bumped version in Cargo.toml from 0.14.2 to 0.15.0.

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Changes walkthrough 📝

	Relevant files
Enhancement	lib.rs Update `spec_version` in `RuntimeVersion` to 1500                runtime/laos/src/lib.rs Updated spec_version from 1402 to 1500 in RuntimeVersion. +1/-1      Cargo.toml Bump version to 0.15.0 in Cargo.toml                                          Cargo.toml Bumped version from 0.14.2 to 0.15.0. +1/-1
Tests	config.ts Update `RUNTIME_SPEC_VERSION` to 1500 in tests configuration e2e-tests/tests/config.ts Updated RUNTIME_SPEC_VERSION from 1402 to 1500. +1/-1

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[asiniscalchi]

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