chore: update docker image and sdk version in cargo near new templa…

…te (#218)

1 cargo-near/src/commands/new/new-project-template/Cargo.toml.template:
  - near-sdk version to 5.4
  - modify `image` to latest at moment of changing
  - near-workspaces version to 0.13

2. integration-tests/Cargo.toml
  - near-workspaces version to 0.13

3. integration-tests/src/lib.rs
  - from_git::SDK_REVISION to 5.4 pointer