build: Fix building with capstone < 5 (#1323)

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### Problem description
<!-- Describe the bug that you fixed/feature request that you
implemented, or link to an existing issue describing it -->
This might fix building with capstone 4 as discussed in
https://discord.com/channels/789833418631675954/1155669027306340393/1155669027306340393

### Implementation description
<!-- Explain what you did to correct the problem -->
moves the max definition inside the if statement that checks for
capstone 5

lib/libimhex/include/hex/helpers/disassembler.hpp

@@ -28,9 +28,11 @@ namespace hex {
             BPF     = CS_ARCH_BPF,
             SH      = CS_ARCH_SH,
             TRICORE = CS_ARCH_TRICORE,
+            MAX   = TRICORE,
+        # else
+            MAX   = EVM,
         #endif
 
-        MAX         = TRICORE,
         MIN         = ARM
     };