chore(deps): update ghcr.io/mirceanton/external-dns-provider-mikrotik docker tag to v1.4.8

Author: renovate[bot]

clusters/_base/addons/external-dns/helm-release.yaml

@@ -41,7 +41,7 @@ spec:
       webhook:
         image:
           repository: ghcr.io/mirceanton/external-dns-provider-mikrotik
-          tag: v1.4.7@sha256:6623c71234c0a226aed0f53b1cd5a214d1411d21a0fd203661023af69c5ef9bc
+          tag: v1.4.8@sha256:66c7c937ded93375622496478111072b9f6b4addc724ce4fd02426ad2df009f7
           pullPolicy: IfNotPresent
         env:
           - name: LOG_FORMAT