Update to v0.17.3 with new LAOS Sigma testnet

[asiniscalchi]

PR Type

Enhancement, Documentation, Other

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Description

• Updated chain spec identifier from laos-omega to laos-sigma.
• Bumped spec_version from 1701 to 1703.
• Updated RUNTIME_SPEC_VERSION in tests from 1701 to 1703.
• Changed runtime name from Laos Omega to Laos Sigma in build workflow.
• Updated version in Cargo.toml from 0.17.1 to 0.17.3.
• Updated testnet information in README.md from LAOS Omega to LAOS Sigma, including RPC endpoints and EVM Chain ID.

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Changes walkthrough 📝

	Relevant files
Enhancement	command.rs Update chain spec identifier to `laos-sigma`                          node/src/command.rs Updated chain spec identifier from laos-omega to laos-sigma. +2/-2      lib.rs Bump `spec_version` to 1703                                                            runtime/laos/src/lib.rs Bumped spec_version from 1701 to 1703. +1/-1
Tests	config.ts Update runtime spec version in tests                                          e2e-tests/tests/config.ts Updated RUNTIME_SPEC_VERSION from 1701 to 1703. +1/-1
Configuration changes	build.yml Update runtime name in build workflow                                        .github/workflows/build.yml Changed runtime name from Laos Omega to Laos Sigma in build workflow. +1/-1
Dependencies	Cargo.toml Bump version to 0.17.3                                                                      Cargo.toml Updated version from 0.17.1 to 0.17.3. +1/-1
Documentation	README.md Update testnet information to `LAOS Sigma`                              README.md Updated testnet names from LAOS Omega to LAOS Sigma. Updated RPC endpoints and EVM Chain ID for LAOS Sigma. +7/-7

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[asiniscalchi]

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[github-actions]

PR Description updated to latest commit (22703e3)