bump tmtc to v3.1.0

CHANGELOG.md

@@ -10,6 +10,8 @@ list yields a list of all related PRs for each release.
 
 # [unreleased]
 
+# [v3.1.0] 2023-04-16
+
 ## Added
 
 - New core controller file system helper commands.

eive_tmtc/__init__.py

@@ -1,11 +1,11 @@
-__version__ = "3.0.0"
+__version__ = "3.1.0"
 
 import logging
 from pathlib import Path
 
 SW_NAME = "eive-tmtc"
 VERSION_MAJOR = 3
-VERSION_MINOR = 0
+VERSION_MINOR = 1
 VERSION_REVISION = 0
 
 EIVE_TMTC_ROOT = Path(__file__).parent