Version 7.0.2

7.0.2 (2021-01-20) - Security release for pySAML2 dependency

• Add RegexSubProcessor attribute processor
• Fix SAMLVirtualCoFrontend metadata generation
• frontends: Deprecate the sign_alg and digest_alg configuration options on the
  saml2 frontend. Instead, use the signing_algorithm and digest_algorithm
  configuration options under the service/idp configuration path (not under
  service/idp/policy/default)
• backends: New backend to login with Apple ID
• dependencies: Set minimum pysaml2 version to v6.5.0 to make sure we get a
  version patched for CVE-2021-21238 and CVE-2021-21239
• build: Fix the CI base image
• tests: Fix entity-category checks
• docs: Document the sub_hash_salt configuration for the OIDC frontend
• examples: Add entityid_endpoint to the saml backend and frontend
  configuration
• examples: Fix the SAMLVirtualCoFrontend example configuration