chore(deps): update dependency zod to ^4.0.15 (#772)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -86,7 +86,7 @@
     "rxjs": "7.8.1",
     "ts-pattern": "^5.8.0",
     "tslib": "^2.8.1",
-    "zod": "^4.0.14"
+    "zod": "^4.0.15"
   },
   "homepage": "https://github.com/simPod/GrafanaJsonDatasource",
   "engineStrict": true,

yarn.lock

@@ -6420,7 +6420,7 @@ __metadata:
     webpack: "npm:^5.86.0"
     webpack-cli: "npm:^6.0.0"
     webpack-livereload-plugin: "npm:^3.0.2"
-    zod: "npm:^4.0.14"
+    zod: "npm:^4.0.15"
   languageName: unknown
   linkType: soft
 
@@ -12238,9 +12238,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"zod@npm:^4.0.14":
-  version: 4.0.14
-  resolution: "zod@npm:4.0.14"
-  checksum: 10c0/ec8681050d393f3be1c2c8f30d7dd4f56bec3746855fb17288be856185a0fe65e68d1b24aec657bbf956f64c05e69332d3751eafd6c103d19385bcc46075612b
+"zod@npm:^4.0.15":
+  version: 4.0.15
+  resolution: "zod@npm:4.0.15"
+  checksum: 10c0/c4d5b0c6668fe32fb6040d713d75dbf65e2e46cb68c77755b7b66426e8583d5dacf49a44f90beb6b12aa1aa2545cc0d3c186e368711021e11dd3c1f0addb9100
   languageName: node
   linkType: hard