Update highlighter logic, add release scripts, and bump version to 1.3.6.

- Refined cached state validation in `HighlighterEngine` to ensure row validity and buffer consistency.
- Added `make-release` and `make-app-release` scripts for streamlined release builds.
- Disabled AddressSanitizer (ASAN) by default.
- Version bump to 1.3.6.

syntax/HighlighterEngine.cc

@@ -75,9 +75,13 @@ HighlighterEngine::GetLine(const Buffer &buf, int row, std::uint64_t buf_version
 		int best = -1;
 		for (const auto &kv: state_cache_) {
 			int r = kv.first;
+			// Only use cached state if it's for the current version and row still exists
 			if (r <= row - 1 && kv.second.version == buf_version) {
-				if (r > best)
-					best = r;
+				// Validate that the cached row index is still valid in the buffer
+				if (r >= 0 && static_cast<std::size_t>(r) < buf.Rows().size()) {
+					if (r > best)
+						best = r;
+				}
 			}
 		}
 		if (best >= 0) {