docs: point to latest release for docker installation (#3235)

Signed-off-by: Andreas Plesner <apj@mutt.dk>

docs/sources/installation/docker.md

@@ -18,10 +18,10 @@ For production, we recommend installing with Tanka or Helm.
 Copy and paste the commands below into your command line.
 
 ```bash
-wget https://github.com/raw/grafana/loki/v2.0.0/cmd/loki/loki-local-config.yaml -O loki-config.yaml
-docker run -v $(pwd):/mnt/config -p 3100:3100 grafana/loki:2.0.0 -config.file=/mnt/config/loki-config.yaml
-wget https://github.com/raw/grafana/loki/v2.0.0/cmd/promtail/promtail-docker-config.yaml -O promtail-config.yaml
-docker run -v $(pwd):/mnt/config -v /var/log:/var/log grafana/promtail:2.0.0 -config.file=/mnt/config/promtail-config.yaml
+wget https://github.com/raw/grafana/loki/v2.1.0/cmd/loki/loki-local-config.yaml -O loki-config.yaml
+docker run -v $(pwd):/mnt/config -p 3100:3100 grafana/loki:2.1.0 -config.file=/mnt/config/loki-config.yaml
+wget https://github.com/raw/grafana/loki/v2.1.0/cmd/promtail/promtail-docker-config.yaml -O promtail-config.yaml
+docker run -v $(pwd):/mnt/config -v /var/log:/var/log grafana/promtail:2.1.0 -config.file=/mnt/config/promtail-config.yaml
 ```
 
 When finished, `loki-config.yaml` and `promtail-config.yaml` are downloaded in the directory you chose. Docker containers are running Loki and Promtail using those config files.
@@ -36,10 +36,10 @@ Copy and paste the commands below into your terminal. Note that you will need to
 
 ```bash
 cd "<local-path>"
-wget https://github.com/raw/grafana/loki/v2.0.0/cmd/loki/loki-local-config.yaml -O loki-config.yaml
-docker run -v <local-path>:/mnt/config -p 3100:3100 grafana/loki:2.0.0 --config.file=/mnt/config/loki-config.yaml
-wget https://github.com/raw/grafana/loki/v2.0.0/cmd/promtail/promtail-docker-config.yaml -O promtail-config.yaml
-docker run -v <local-path>:/mnt/config -v /var/log:/var/log grafana/promtail:2.0.0 --config.file=/mnt/config/promtail-config.yaml
+wget https://github.com/raw/grafana/loki/v2.1.0/cmd/loki/loki-local-config.yaml -O loki-config.yaml
+docker run -v <local-path>:/mnt/config -p 3100:3100 grafana/loki:2.1.0 --config.file=/mnt/config/loki-config.yaml
+wget https://github.com/raw/grafana/loki/v2.1.0/cmd/promtail/promtail-docker-config.yaml -O promtail-config.yaml
+docker run -v <local-path>:/mnt/config -v /var/log:/var/log grafana/promtail:2.1.0 --config.file=/mnt/config/promtail-config.yaml
 ```
 
 When finished, `loki-config.yaml` and `promtail-config.yaml` are downloaded in the directory you chose. Docker containers are running Loki and Promtail using those config files.
@@ -51,6 +51,6 @@ Navigate to http://localhost:3100/metrics to view the output.
 Run the following commands in your command line. They work for Windows or Linux systems.
 
 ```bash
-wget https://github.com/raw/grafana/loki/v2.0.0/production/docker-compose.yaml -O docker-compose.yaml
+wget https://github.com/raw/grafana/loki/v2.1.0/production/docker-compose.yaml -O docker-compose.yaml
 docker-compose -f docker-compose.yaml up
 ```