chore(ruff) ruff v0.12 aggressive fixes

uv run ruff check --select ALL . --fix --unsafe-fixes --preview --show-fixes; uv run ruff format .

Fixed 4 errors:
- src/libvcs/sync/git.py:
    3 × ISC003 (explicit-string-concatenation)
- tests/test_exc.py:
    1 × RUF100 (unused-noqa)

Author: tony

src/libvcs/sync/git.py

@@ -73,8 +73,7 @@ class GitRemoteRefNotFound(exc.CommandError):
 
     def __init__(self, git_tag: str, ref_output: str, *args: object) -> None:
         return super().__init__(
-            f"Could not fetch remote in refs/remotes/{git_tag}:"
-            + f"Output: {ref_output}",
+            f"Could not fetch remote in refs/remotes/{git_tag}:Output: {ref_output}",
         )
 
 
@@ -529,8 +528,8 @@ def update_repo(
                         self.cmd.stash.pop(index=True, quiet=True)
                         self.log.exception(
                             f"\nFailed to rebase in: '{self.path}'.\n"
-                            + "You will have to resolve the "
-                            + "conflicts manually",
+                            "You will have to resolve the "
+                            "conflicts manually",
                         )
                         return
 

tests/test_exc.py

@@ -1,4 +1,3 @@
-# ruff: noqa: TRY003
 """tests for libvcs exceptions."""
 
 from __future__ import annotations