chore: v0.8.0

[SeverinAlexB]

Big release!

What's Changed

Important: LMDB support has been dropped. Use Postgres from now on. If you have to migrate, use v0.7.0 first before you upgrade to v0.8.0.

• BREAKING CHANGE feat!(hs): Remove LMDB by @SeverinAlexB in feat!(hs): Remove LMDB #357
• feat(homeserver): Horizontally scalable SSE Events by @86667 in feat(homeserver): Horizontally scalable SSE Events #303
• feat(sdk): Add resumeAuthFlow to recover auth flows after page refresh by @tipogi in feat(sdk): Add resumeAuthFlow to recover auth flows after page refresh #355
• feat: native SDK fallback to ICANN when PubkyTLS direct endpoint is unreachable by @SHAcollision in feat: native SDK fallback to ICANN when PubkyTLS direct endpoint is unreachable #352
• feat(homeserver): Per user rate limits by @86667 in feat(homeserver): Per user rate limits #363
• feat: signup_count metric by @86667 in feat: signup_count metric #379
• feat(examples): Improve write abilities by @86667 in feat(examples): Improve write abilities #382
• feat(homeserver): UserQuota option allowed_write_paths by @86667 in feat(homeserver): UserQuota option allowed_write_paths #381
• fix(homeserver): Serialise event inserts to prevent poll loop from skipping events by @86667 in fix(homeserver): Serialise event inserts to prevent poll loop from skipping events #358
• fix(testnet): testnet port binding by @SeverinAlexB in fix(testnet): testnet port binding #362
• fix(homeserver): apply burst to request rate limits by @andrei-21 in fix(homeserver): apply burst to request rate limits #383
• fix(auth): Check actual version byte by @andrei-21 in fix(auth): Check actual version byte #370
• fix(sdk): lock wasm-pack install so that it uses the exact dependency versions from wasm-pack's lockfile by @86667 in fix(sdk): lock wasm-pack install so that it uses the exact dependency versions from wasm-pack's lockfile #371
• build: symlink LICENSE for wasm-pack packaging by @andrei-21 in build: symlink LICENSE for wasm-pack packaging #372
• test: add unit test to verify actual behavior on quota excess by @andrei-21 in test: add unit test to verify actual behavior on quota excess #374
• deps: bump the cargo-dependencies group across 1 directory with 9 updates by @dependabot[bot] in deps: bump the cargo-dependencies group across 1 directory with 9 updates #359
• refactor(common)!: normalize capabilities construction by @andrei-21 in refactor(common)!: normalize capabilities construction #375
• refactor(homeserver): Move pkarr republisher and add docs by @86667 in refactor(homeserver): Move pkarr republisher and add docs #351
• ci(wasm): install wasm-pack from prebuilt binary by @andrei-21 in ci(wasm): install wasm-pack from prebuilt binary #385
• ci: fix worflow yaml by @andrei-21 in ci: fix worflow yaml #386
• refactor(homeserver): use nonzero burst quota values by @andrei-21 in refactor(homeserver): use nonzero burst quota values #387
• chore: pkarr v6 by @dzdidi and @ok300 in pkarr v6 #380