⬆️ Update Add-on base image to v18.2.1 (#188)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

remote-backup/build.yaml

@@ -1,7 +1,7 @@
 squash: false
 build_from:
-  aarch64: ghcr.io/hassio-addons/base/aarch64:18.2.0
-  amd64: ghcr.io/hassio-addons/base/amd64:18.2.0
-  armhf: ghcr.io/hassio-addons/base/armhf:18.2.0
-  armv7: ghcr.io/hassio-addons/base/armv7:18.2.0
-  i386: ghcr.io/hassio-addons/base/i386:18.2.0
+  aarch64: ghcr.io/hassio-addons/base/aarch64:18.2.1
+  amd64: ghcr.io/hassio-addons/base/amd64:18.2.1
+  armhf: ghcr.io/hassio-addons/base/armhf:18.2.1
+  armv7: ghcr.io/hassio-addons/base/armv7:18.2.1
+  i386: ghcr.io/hassio-addons/base/i386:18.2.1