Fixed line endings and improved script to work with Windows endings just in case

.gitattributes

@@ -3,7 +3,7 @@
 
 # Rust source
 *.rs text diff=rust
-*.toml text
+*.toml text eol=lf
 
 # Shell scripts must keep LF even on Windows
 *.sh text eol=lf

build-release.sh

@@ -12,7 +12,7 @@
 set -e
 
 # Read version from the single source of truth: Cargo.toml
-BASE_VERSION=$(grep '^version' Cargo.toml | head -1 | sed 's/version = "\(.*\)"/\1/')
+BASE_VERSION=$(grep '^version' Cargo.toml | head -1 | sed 's/version = "\(.*\)"/\1/' | tr -d '\r')
 if [ -z "$BASE_VERSION" ]; then
     echo "Error: Could not read version from Cargo.toml"
     exit 1