Update version.py to increment the patch number to 7

Author: Riccorl

relik/version.py

@@ -4,7 +4,7 @@
 _MINOR = "0"
 # On main and in a nightly release the patch should be one ahead of the last
 # released build.
-_PATCH = "6"
+_PATCH = "7"
 # This is mainly for nightly builds which have the suffix ".dev$DATE". See
 # https://semver.org/#is-v123-a-semantic-version for the semantics.
 _SUFFIX = os.environ.get("RELIK_VERSION_SUFFIX", "")