message: Make MSRV policy more relaxed
diff: @@ -48,10 +48,12 @@ development, you will depends on the cosmwasm-vm MSRV.
  stable Rust 1.33.3 it must not exceed 1.32.0.
  - It can be bumped without a semver major release of the crates. However, a
  minor version bump is required.
  +- Before the 1.0.0 release, it can change at any time.
  **cosmwasm-vm MSRV**
  - It can be bumped without a semver major release of the crate. However, a minor
  version bump is required.
  +- Before the 1.0.0 release, it can change at any time.
  - It is always higher or equal to cosmwasm-std MSRV because the VM depends on
  cosmwasm-std and related packages.
  