Arbitrum Nitro Contracts v2.0.0-beta.0

What's Changed

• Add unit test for conditional OSP by @gvladika in #175
• feat: conditional osp by @gzeoneth in #173
• Unique Module Hashes by @rachel-bousfield in #179
• fix: yul remapping issue by @gzeoneth in #182
• Arbitrum Stylus by @rachel-bousfield in #170
• Add e2e tests to CI by @gvladika in #165
• feat: CacheManager QoL by @gzeoneth in #185
• MultiCallTest.sol: a non-standard contract for stylus compatibility test by @tsahee in #184
• Bump Slither action by @gvladika in #186
• test: improve outbox tests by @gzeoneth in #188

Full Changelog: v1.3.0-beta.0...v2.0.0-beta.0