use std::format for version

Author: mertcanaltin

src/version_weaver.cpp

@@ -3,8 +3,9 @@
 #include <algorithm>
 #include <cctype>
 #include <charconv>
+#include <format>
 #include <regex>
-#include <sstream>
+
 namespace version_weaver {
 bool validate(std::string_view version) { return parse(version).has_value(); }
 
@@ -116,17 +117,12 @@ std::optional<std::string> incrementVersion(std::string_view version) {
   // If there is a pre-release part, return the version in pre-release format
   // (for example “1.2.3-beta.0”)
   if (!preRelease.empty()) {
-    std::ostringstream oss;
-    oss << major << "." << minor << "." << patch << "-"
-        << std::string(preRelease) << ".0";
-    return oss.str();
+    return std::format("{}.{}.{}-{}.0", major, minor, patch, std::string(preRelease));
   }
 
   // if there is no pre-release, increment patch and return the result.
   patch++;
-  std::ostringstream oss;
-  oss << major << "." << minor << "." << patch;
-  return oss.str();
+  return std::format("{}.{}.{}", major, minor, patch);
 }
 
 std::optional<std::string> decrementVersion(const std::string_view version) {
@@ -222,8 +218,6 @@ std::string computeTildeUpperBound(const std::string_view &version) {
   if (!coercedOpt) return "";
 
   std::vector<std::string> parts;
-  std::istringstream iss(*coercedOpt);
-  std::string token;
 
   size_t pos = 0;
   size_t dot_pos;