fix: avoid parsing syntax fixture as Cargo manifest

CHANGELOG.md

@@ -25,6 +25,7 @@
 - Syntax highlighting for Python files using uv as script runner in shebang #3689 (@janlarres)
 
 ## Bugfixes
+- Avoid a spurious Cargo manifest error during installation from Git, see #PR_NUMBER (@rootsec1)
 - Avoid repeated scans of long lines in Log syntax highlighting, see #3876 (@Matei02355)
 - Fix `--list-languages` respecting `--paging=never`, see #3828 (@cyphercodes)
 - Fix `--sanitize` passing through the bidi control characters U+200E, U+200F and U+061C, see #3862 (@lenamonj)