feat(container): update image ghcr.io/twin/gatus to v5.15.0

[spicerabot]

This PR contains the following updates:

Package	Update	Change
ghcr.io/twin/gatus	minor	v5.14.0 -> v5.15.0

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[spicerabot]

--- kubernetes/apps/monitoring/gatus/app Kustomization: flux-system/gatus HelmRelease: monitoring/gatus

+++ kubernetes/apps/monitoring/gatus/app Kustomization: flux-system/gatus HelmRelease: monitoring/gatus

@@ -34,13 +34,13 @@

               TZ: null
             envFrom:
             - secretRef:
                 name: gatus-secret
             image:
               repository: ghcr.io/twin/gatus
-              tag: v5.14.0
+              tag: v5.15.0
             resources:
               limits:
                 memory: 512M
               requests:
                 cpu: 10m
                 memory: 256M

[spicerabot]

--- HelmRelease: monitoring/gatus Deployment: monitoring/gatus

+++ HelmRelease: monitoring/gatus Deployment: monitoring/gatus

@@ -90,13 +90,13 @@

           value: /config
         - name: TZ
           value: null
         envFrom:
         - secretRef:
             name: gatus-secret
-        image: ghcr.io/twin/gatus:v5.14.0
+        image: ghcr.io/twin/gatus:v5.15.0
         name: app
         resources:
           limits:
             memory: 512M
           requests:
             cpu: 10m