chore(rust): allow rust-ipfs fork git source, allow OpenSSL licenses

[no30bit]

Description

Allows the git source of rust-ipfs fork in order to use it in catalyst-libs and hermes.

Related Pull Requests

input-output-hk/catalyst-libs#422

Please confirm the following checks

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream module

[stevenj]

Add OpenSSL license to the [licenses]