hal-flash: 0.3.0 -> 0.3.3

Semi-automatic update. These checks were performed:

- built on NixOS
- found 0.3.3 with grep in /nix/store/88qd4dw0rxmxgqprqc0dg8jp7w3zcmzk-hal-flash-0.3.3
- found 0.3.3 in filename of file in /nix/store/88qd4dw0rxmxgqprqc0dg8jp7w3zcmzk-hal-flash-0.3.3

cc "@malyn"