Pull by default, don't pull on --no-pull

Signed-off-by: Eric Peterson <ericpeterson@spotify.com>

.changeset/techdocs-the-whole-pulse.md

@@ -0,0 +1,5 @@
+---
+'@techdocs/cli': patch
+---
+
+Fixed a bug that prevented docker images from being pulled by default when generating TechDocs.

packages/techdocs-cli/src/commands/index.ts

@@ -38,7 +38,7 @@ export function registerCommands(program: Command) {
       'The mkdocs docker container to use',
       defaultDockerImage,
     )
-    .option('--no-pull', 'Do not pull the latest docker image', false)
+    .option('--no-pull', 'Do not pull the latest docker image')
     .option(
       '--no-docker',
       'Do not use Docker, use MkDocs executable and plugins in current user environment.',