This updates `parity-scale-codec` to `1.2.0`, which includes multiple
performance improvements and a fix that bounds the capacity of a vector
at decoding.
* setting first batch of descriptions
* fix what I just broke
* next batch
* and pallets, too
* last batch
* set cargo.lock
* keep'em dev-deps
* bump version to alpha.2
* adding unleash to ci
* fixing formatting
* with a dot please
* alpha.3 now
* do not publish testing helpers
* remove old test-helpers cruft
* fix cargo.lock
* with alpha 4
* do not publish runtime-interface-test either
* disable more test crates from publishing
* switch to alpha.5
* replace tempdir with tempfile
* update lru
* switch to bytes 0.5
* release script fixes
* switch on and to latest alpha
* BUT THE SPACES
* setting versions to development pre-release
fixing version in dependencies
* unset already released wasm-builder
* do not publish test crates
* adding licenses
* setting homepage metadata
* set repository url