[stable/stellar-core] update chart repo dependency references (#24002)

Signed-off-by: Matt Farina <matt@mattfarina.com>

stable/stellar-core/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: "10.0.0"
 description: Backbone node of the Stellar cryptocurrency network.
 name: stellar-core
-version: 1.0.0
+version: 1.0.1
 icon: https://www.stellar.org/developers/images/favicon/rocket-180x180.png
 home: https://www.stellar.org
 maintainers:

stable/stellar-core/requirements.lock

@@ -1,6 +1,6 @@
 dependencies:
 - name: postgresql
-  repository: https://kubernetes-charts.storage.googleapis.com/
+  repository: https://charts.helm.sh/stable
   version: 0.19.0
-digest: sha256:31a2190b81ff68c4c1793c17fd4cbf6157683cc6d2f9fef66a1423938593e93d
-generated: 2018-10-09T16:15:19.465844319+02:00
+digest: sha256:62794f0d49d10fd90fed6b9feafb9116c3a2446eba10707124bf32e842cdb79b
+generated: "2020-10-30T11:42:34.52166-04:00"

stable/stellar-core/requirements.yaml

@@ -1,5 +1,5 @@
 dependencies:
 - name: postgresql
   version: ^0.19.0
-  repository: "https://kubernetes-charts.storage.googleapis.com/"
+  repository: https://charts.helm.sh/stable
   condition: postgresql.enabled