allow msgpack 1.0.6 (which has py312 wheels), fixes #7810

pyproject.toml

@@ -30,7 +30,7 @@ classifiers = [
 ]
 license = {text="BSD"}
 dependencies = [
-  "msgpack >=1.0.3, <=1.0.6rc1",
+  "msgpack >=1.0.3, <=1.0.6",
   "packaging",
   "platformdirs >=3.0.0, <4.0.0; sys_platform == 'darwin'",  # for macOS: breaking changes in 3.0.0,
   "platformdirs >=2.6.0, <4.0.0; sys_platform != 'darwin'",  # for others: 2.6+ works consistently.

src/borg/helpers/msgpack.py

@@ -209,7 +209,7 @@ def is_supported_msgpack():
 
     if msgpack.version in []:  # < add bad releases here to deny list
         return False
-    return (1, 0, 3) <= msgpack.version < (1, 0, 7)
+    return (1, 0, 3) <= msgpack.version <= (1, 0, 6)
 
 
 def get_limited_unpacker(kind):