chore(deps): update docs (#689)

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

Author: renovate[bot]

snippets/docker-compose-example-no-tooltips.yml

@@ -1,6 +1,6 @@
 services:
   nautical-backup:
-    image: minituff/nautical-backup:2.20
+    image: minituff/nautical-backup:2.21
     container_name: nautical-backup
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock

snippets/docker-compose-example.yml

@@ -1,6 +1,6 @@
 services:
   nautical-backup:
-    image: minituff/nautical-backup:2.20 #(7)!
+    image: minituff/nautical-backup:2.21 #(7)!
     container_name: nautical-backup
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock #(1)!

snippets/docker-compose-semver-example.yml

@@ -1,3 +1,3 @@
 services:
   nautical-backup:
-    image: minituff/nautical-backup:2.20.0 # Change this to the latest version
+    image: minituff/nautical-backup:2.21.2 # Change this to the latest version

snippets/docker-run-example-no-tooltips.sh

@@ -8,4 +8,4 @@ docker run -d \
   -e TZ="America/Los_Angeles" \
   -e CRON_SCHEDULE="0 4 * * *" \
   -e SKIP_CONTAINERS="example1,example2,example3" \
-  minituff/nautical-backup:2.20
+  minituff/nautical-backup:2.21

snippets/docker-run-example.sh

@@ -8,4 +8,4 @@ docker run -d \
   -e TZ="America/Los_Angeles" \ #(8)!
   -e CRON_SCHEDULE="0 4 * * *" \ #(5)!
   -e SKIP_CONTAINERS="example1,example2,example3" \ #(6)!
-  minituff/nautical-backup:2.20 #(7)!
+  minituff/nautical-backup:2.21 #(7)!

snippets/docker-run-semver-example.sh

@@ -1 +1 @@
-  minituff/nautical-backup:2.20.0
+  minituff/nautical-backup:2.21.2