Update rocrate requirement from ~=0.8 to ~=0.9

Updates the requirements on [rocrate](https://github.com/ResearchObject/ro-crate-py) to permit the latest version.
- [Release notes](https://github.com/ResearchObject/ro-crate-py/releases)
- [Commits](ResearchObject/ro-crate-py@0.8.0...0.9.0)

---
updated-dependencies:
- dependency-name: rocrate
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -4,4 +4,4 @@ cwl-utils>=0.27
 cwlprov==0.1.1
 networkx==3.1
 prov>=1.5.1
-rocrate~=0.8
+rocrate~=0.9