jana2: add 2.2.1-rc1 (#633)

### Briefly, what does this PR introduce?


### What kind of change does this PR introduce?
- [ ] Bug fix (issue #__)
- [ ] New feature (issue #__)
- [ ] Documentation update
- [ ] Other: __

### Please check if this PR fulfills the following:
- [ ] Tests for the changes have been added
- [ ] Documentation has been added / updated
- [ ] Changes have been communicated to collaborators

### Does this PR introduce breaking changes? What changes might users
need to make to their code?

### Does this PR change default behavior?

packages/jana2/package.py

@@ -19,6 +19,7 @@ class Jana2(CMakePackage, CudaPackage):
     tags = ["eic"]
 
     version("master", branch="master")
+    version("2.2.1-rc1", sha256="7b65ce967d9c0690e22f4450733ead4acebf8fa510f792e0e4a6def14fb739b1")
     version("2.2.0", sha256="60940e182593dafddaa76d582d3270ac47694fa3f20257493e1017b34f624ba9")
     version("2.1.2", sha256="81b5b323289113d0fe666927afa3f81e76b3fcee0df7bff2c3fc1cb72fb240ce")
     version(