Bump beta to 1.11.5 / Backports (#8955)

* parity-version: bump beta to 1.11.5

* Update ropsten.json (#8926)

* Update hardcoded headers (#8925)

* Update kovan.json

Update Kovan to block 7693549

* Update foundation.json

Updated to block #5812225

* Update ropsten.json

Update to 3465217

* Update ropsten.json

use tabs

* Update foundation.json

use tabs

* Update kovan.json

use tabs

* scripts: minor improvements (#8930)

* CI: enable 'latest' docker tag on master pipeline

* CI: mark both beta and stable as stable snap.

* CI: sign all windows binaries

* scripts: fix docker build tag on latest using master (#8952)

* rpc: cap gas limit of local calls (#8943)

* snap: downgrade rust to revision 1.26.2, ref snapcraft/+bug/1778530 (#8984)

* snap: downgrade rust to revision 1.26.2, ref snapcraft/+bug/1778530

* snap: use plugin rust

* Fix deadlock in blockchain. (#8977)

* Remove js-glue from workspace

This fixes test error on Rust 1.27 but also prevents js-glue from building itself. Builtin dapp users can still use
js-glue from crates.io.

* Fix Android build on beta (#9003)