ci(build): support Ubuntu 26.04 (#25836)

Co-authored-by: Kitzunu <24550914+Kitzunu@users.noreply.github.com>
Co-authored-by: sudlud <sudlud@users.noreply.github.com>

src/test/mocks/SpellInfoTestHelper.h

@@ -32,9 +32,6 @@ class TestSpellEntryHelper
 public:
     TestSpellEntryHelper()
     {
-        // Zero initialize all fields
-        std::memset(&_entry, 0, sizeof(_entry));
-
         // Set safe defaults
         _entry.EquippedItemClass = -1;
         _entry.SchoolMask = SPELL_SCHOOL_MASK_NORMAL;
@@ -154,7 +151,7 @@ public:
     }
 
 private:
-    SpellEntry _entry;
+    SpellEntry _entry{};
 };
 
 /**