docs: bump manifest versions to v0.18.3 (#767)

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: zachaller <[email protected]>

Author: github-actions[bot]

docs/argocd-integrations.md

@@ -24,9 +24,9 @@ spec:
             - name: EXTENSION_NAME
               value: gitops-promoter
             - name: EXTENSION_URL
-              value: https://github.com/argoproj-labs/gitops-promoter/releases/download/v0.18.2/gitops-promoter-argocd-extension.tar.gz
+              value: https://github.com/argoproj-labs/gitops-promoter/releases/download/v0.18.3/gitops-promoter-argocd-extension.tar.gz
             - name: EXTENSION_CHECKSUM_URL
-              value: https://github.com/argoproj-labs/gitops-promoter/releases/download/v0.18.2/gitops-promoter_0.18.2_checksums.txt
+              value: https://github.com/argoproj-labs/gitops-promoter/releases/download/v0.18.3/gitops-promoter_0.18.3_checksums.txt
           volumeMounts:
             - name: extensions
               mountPath: /tmp/extensions/

docs/getting-started.md

@@ -15,7 +15,7 @@ GitHub, GitHub Enterprise, GitLab and Forgejo (including Codeberg) as the SCM pr
 To install GitOps Promoter, you can use the following command:
 
 ```bash
-kubectl apply -f https://github.com/argoproj-labs/gitops-promoter/releases/download/v0.18.2/install.yaml
+kubectl apply -f https://github.com/argoproj-labs/gitops-promoter/releases/download/v0.18.3/install.yaml
 ```
 
 ## GitHub App Configuration

docs/tutorial-argocd-apps.md

@@ -66,7 +66,7 @@ Connect with this password for the `admin` user.
 > See [Getting Started](./getting-started.md)
 
 ```bash
-kubectl apply -f https://github.com/argoproj-labs/gitops-promoter/releases/download/v0.18.2/install.yaml
+kubectl apply -f https://github.com/argoproj-labs/gitops-promoter/releases/download/v0.18.3/install.yaml
 ```
 
 > [!NOTE]