bump clang-format to C++ 20

Otherwise it formats some newer C++ features wrong

.clang-format

@@ -12,7 +12,7 @@ DisableFormat: true
 
 # Style for C++
 Language: Cpp
-Standard: c++17
+Standard: c++20
 
 # base is WebKit coding style: https://webkit.org/code-style-guidelines/
 # below are only things set that diverge from this style!

src/utils/version.h

@@ -21,9 +21,7 @@ public:
     Version(uint32_t major, uint32_t minor, uint32_t patch = 0);
     Version() = default;
 
-    // clang-format off
-    auto operator<=> (const Version &other) const = default;
-    // clang-format on
+    auto operator<=>(const Version &other) const = default;
     bool isValid() const;
     uint32_t majorVersion() const;
     uint32_t minorVersion() const;