Increase the Infection threshold

Last metrics:
- Mutation Score Indicator (MSI): 42%
- Mutation Code Coverage: 62%
- Covered Code MSI: 66%

https://github.com/phpmyadmin/phpmyadmin/actions/runs/22267045548/job/64415085302#step:9:1280

Signed-off-by: Maurício Meneghini Fauth <mauricio@mfauth.net>

infection.json5.dist

@@ -13,6 +13,6 @@
     "mutators": {
         "@default": true
     },
-    "minMsi": 38,
+    "minMsi": 41,
     "minCoveredMsi": 65
 }