bump nbx

README.md

@@ -344,7 +344,7 @@ We are trying to update our dependencies to run on `arm32v7` and `x64` boards. H
 | btcpayserver/lnd | v0.14.2-beta | [✔️](https://raw.githubusercontent.com/btcpayserver/lnd/basedon-v0.14.2-beta/linuxamd64.Dockerfile) | [✔️](https://raw.githubusercontent.com/btcpayserver/lnd/basedon-v0.14.2-beta/linuxarm32v7.Dockerfile) | [✔️](https://raw.githubusercontent.com/btcpayserver/lnd/basedon-v0.14.2-beta/linuxarm64v8.Dockerfile) | [Github](https://github.com/btcpayserver/lnd) - [DockerHub](https://hub.docker.com/r/btcpayserver/lnd) |
 | btcpayserver/bitcoin | 22.0-1 | [✔️](https://raw.githubusercontent.com/btcpayserver/dockerfile-deps/Bitcoin/22.0-1/Bitcoin/22.0/linuxamd64.Dockerfile) | [✔️](https://raw.githubusercontent.com/btcpayserver/dockerfile-deps/Bitcoin/22.0-1/Bitcoin/22.0/linuxarm32v7.Dockerfile) | [✔️](https://raw.githubusercontent.com/btcpayserver/dockerfile-deps/Bitcoin/22.0-1/Bitcoin/22.0/linuxarm64v8.Dockerfile) | [Github](https://github.com/btcpayserver/dockerfile-deps) - [DockerHub](https://hub.docker.com/r/btcpayserver/bitcoin) |
 | btcpayserver/btcpayserver | 1.5.1$<BTCPAY_BUILD_CONFIGURATION>? | [✔️](https://raw.githubusercontent.com/btcpayserver/btcpayserver/v1.5.1/amd64.Dockerfile) | [✔️](https://raw.githubusercontent.com/btcpayserver/btcpayserver/v1.5.1/arm32v7.Dockerfile) | [✔️](https://raw.githubusercontent.com/btcpayserver/btcpayserver/v1.5.1/arm64v8.Dockerfile) | [Github](https://github.com/btcpayserver/btcpayserver) - [DockerHub](https://hub.docker.com/r/btcpayserver/btcpayserver) |
-| nicolasdorier/nbxplorer | 2.3.20 | [✔️](https://raw.githubusercontent.com/dgarage/nbxplorer/v2.3.20/Dockerfile.linuxamd64) | [✔️](https://raw.githubusercontent.com/dgarage/nbxplorer/v2.3.20/Dockerfile.linuxarm32v7) | [✔️](https://raw.githubusercontent.com/dgarage/nbxplorer/v2.3.20/Dockerfile.linuxarm64v8) | [Github](https://github.com/dgarage/nbxplorer) - [DockerHub](https://hub.docker.com/r/nicolasdorier/nbxplorer) |
+| nicolasdorier/nbxplorer | 2.3.21 | [✔️](https://raw.githubusercontent.com/dgarage/nbxplorer/v2.3.21/Dockerfile.linuxamd64) | [✔️](https://raw.githubusercontent.com/dgarage/nbxplorer/v2.3.21/Dockerfile.linuxarm32v7) | [✔️](https://raw.githubusercontent.com/dgarage/nbxplorer/v2.3.21/Dockerfile.linuxarm64v8) | [Github](https://github.com/dgarage/nbxplorer) - [DockerHub](https://hub.docker.com/r/nicolasdorier/nbxplorer) |
 | btcpayserver/letsencrypt-nginx-proxy-companion | 1.12.2 | [✔️](https://raw.githubusercontent.com/btcpayserver/docker-letsencrypt-nginx-proxy-companion/v1.12.2/linuxamd64.Dockerfile) | [✔️](https://raw.githubusercontent.com/btcpayserver/docker-letsencrypt-nginx-proxy-companion/v1.12.2/linuxarm32v7.Dockerfile) | [✔️](https://raw.githubusercontent.com/btcpayserver/docker-letsencrypt-nginx-proxy-companion/v1.12.2/linuxarm64v8.Dockerfile) | [Github](https://github.com/btcpayserver/docker-letsencrypt-nginx-proxy-companion) - [DockerHub](https://hub.docker.com/r/btcpayserver/letsencrypt-nginx-proxy-companion) |
 | nginx | 1.16.0 | [✔️](https://raw.githubusercontent.com/nginxinc/docker-nginx/1.16.0/stable/stretch/Dockerfile) | [✔️](https://raw.githubusercontent.com/nginxinc/docker-nginx/1.16.0/stable/stretch/Dockerfile) | [✔️](https://raw.githubusercontent.com/nginxinc/docker-nginx/1.16.0/stable/stretch/Dockerfile) | [Github](https://github.com/nginxinc/docker-nginx) - [DockerHub](https://hub.docker.com/_/nginx) |
 | btcpayserver/docker-gen | 0.7.8 | [✔️](https://raw.githubusercontent.com/btcpayserver/docker-gen/v0.7.8/linuxamd64.Dockerfile) | [✔️](https://raw.githubusercontent.com/btcpayserver/docker-gen/v0.7.8/linuxarm32v7.Dockerfile) | [✔️](https://raw.githubusercontent.com/btcpayserver/docker-gen/v0.7.8/linuxarm64v8.Dockerfile) | [Github](https://github.com/btcpayserver/docker-gen) - [DockerHub](https://hub.docker.com/r/btcpayserver/docker-gen) |