Bump test chart dependencies (#20)

Signed-off-by: GitHub <[email protected]>
Co-authored-by: faisal-memon <[email protected]>

.github/tests/charts.json

@@ -2,26 +2,26 @@
   {
     "name": "kube-prometheus-stack",
     "repo": "https://prometheus-community.github.io/helm-charts",
-    "version": "48.3.1"
+    "version": "51.3.0"
   },
   {
     "name": "cert-manager",
     "repo": "https://charts.jetstack.io",
-    "version": "v1.12.3"
+    "version": "v1.13.1"
   },
   {
     "name": "ingress-nginx",
     "repo": "https://kubernetes.github.io/ingress-nginx",
-    "version": "4.7.1"
+    "version": "4.8.1"
   },
   {
     "name": "mysql",
     "repo": "https://charts.bitnami.com/bitnami",
-    "version": "9.10.10"
+    "version": "9.12.3"
   },
   {
     "name": "postgresql",
     "repo": "https://charts.bitnami.com/bitnami",
-    "version": "12.8.2"
+    "version": "13.1.0"
   }
 ]