chore(deps): update volkerraschek/helm docker tag to v4

.gitea/workflows/artifacthub-metadata.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v6.0.3
-    - uses: docker/login-action@c99871dec2022cc055c062a10cc1a1310835ceb4 # v4.3.0
+    - uses: docker/login-action@v4.2.0
       with:
         registry: ${{ github.server_url }}
         username: ${{ github.repository_owner }}

.gitea/workflows/release.yaml

@@ -95,7 +95,7 @@ jobs:
             --passphrase-file "${GPG_PRIVATE_KEY_PASSPHRASE_FILE}" \
             --version "${PACKAGE_VERSION}" ./
 
-      - uses: docker/login-action@c99871dec2022cc055c062a10cc1a1310835ceb4 # v4.3.0
+      - uses: docker/login-action@v4.2.0
         with:
           registry: ${{ github.server_url }}
           username: ${{ github.repository_owner }}

Chart.yaml

@@ -11,7 +11,7 @@ annotations:
     fingerprint: 3B0CE9853CAD76076260025383D342258456906E
     url: https://keys.openpgp.org/vks/v1/by-fingerprint/3B0CE9853CAD76076260025383D342258456906E
 apiVersion: v2
-appVersion: "0.20.0"
+appVersion: "0.19.1"
 description: Prometheus metric exporter for PostgreSQL
 home: https://git.cryptic.systems/volker.raschek/prometheus-postgres-exporter
 # icon: https://annotations.example.com/icon.png