Update scripts/strip-readme-patch.sh

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: ChanTsune

scripts/strip-readme-patch.sh

@@ -7,10 +7,7 @@ if [[ $# -ne 1 ]]; then
 fi
 
 full_version="$1"
-minor_version="${full_version%.*}"
-if [[ "$minor_version" == "$full_version" ]]; then
-  minor_version="$full_version"
-fi
+minor_version=$(echo "$full_version" | cut -d. -f-2)
 
 export STRIP_README_FULL_VERSION="$full_version"
 export STRIP_README_MINOR_VERSION="$minor_version"