Upgrade rustc nightly-2022-07-11 & Substrate to polkadot-v0.9.26

[jasl]

paritytech/substrate@polkadot-v0.9.25...polkadot-v0.9.26

Notable changes:

• [contracts] Implement transparent hashing for contract storage paritytech/substrate#11501

In addition:

• Upgrade to Ink! v3.3.0
• Upgrade Rocket to latest for PRuntime
• Have to use rocksdb from git to avoid zstd version conflict (they have regression test so should be OK)

There're compiling warnings not sure they're from upstream

warning: unnecessary lifetime parameter `'a`
  --> crates/pink/pink-extension/src/chain_extension/signing.rs:14:21
   |
14 | pub struct SignArgs<'a> {
   |                     ^^
   |
   = help: you can use the `'static` lifetime directly, in place of `'a`

warning: unnecessary lifetime parameter `'a`
  --> crates/pink/pink-extension/src/chain_extension/signing.rs:22:23
   |
22 | pub struct VerifyArgs<'a> {
   |                       ^^
   |
   = help: you can use the `'static` lifetime directly, in place of `'a`

warning: unnecessary lifetime parameter `'a`
  --> crates/pink/pink-extension/src/chain_extension/signing.rs:31:29
   |
31 | pub struct PublicKeyForArgs<'a> {
   |                             ^^
   |
   = help: you can use the `'static` lifetime directly, in place of `'a`

[jasl]

@kvinwang CI greened

[kvinwang]

LGTM