Add anikoto backup downloader

- add a config toggle for backup downloads and retry failed ani-cli jobs with anikoto-cli
- install anikoto-cli systemwide in the container with its required dependencies
- bump the project version to 0.46.1 and publish the release notes

docker-compose.yaml

@@ -6,6 +6,8 @@ services:
       args:
         ANI_CLI: ${ANI_CLI:-https://github.com/pystardust/ani-cli.git}
         ANI_CLI_BRANCH: ${ANI_CLI_BRANCH:-master}
+        ANIKOTO_CLI: ${ANIKOTO_CLI:-https://github.com/Slimyslushy/anikoto-cli.git}
+        ANIKOTO_CLI_BRANCH: ${ANIKOTO_CLI_BRANCH:-main}
         ANI_CLI_WEB: ${ANI_CLI_WEB:-https://gitea.coreplay.eu/Dymas/ani-cli-web.git}
     image: ani-cli-web:latest
     container_name: ani-cli-web