Fix apply-patches.sh for CI: configure git identity

git am requires committer identity. CI runners don't have one
configured. Set a default if missing before applying patches.

Author: MariusVolkhart

scripts/apply-patches.sh

@@ -52,6 +52,10 @@ cd "$BUILD_DIR"
 PATCH_FILES=("$PATCHES_DIR"/*.patch)
 if [ -e "${PATCH_FILES[0]}" ]; then
   echo "==> Applying patches..."
+  # Ensure git identity exists for git am (CI runners may not have one)
+  git config user.name >/dev/null 2>&1 || git config user.name "temporal-sdk-pkware"
+  git config user.email >/dev/null 2>&1 || git config user.email "temporal-sdk-pkware@pkware.com"
+
   if ! git am "${PATCH_FILES[@]}"; then
     echo ""
     echo "Error: Patch apply failed. Resolve conflicts in build/, then:"