fix: typo in yarn pack (#6663)

## What's the problem this PR addresses?

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Hey! Small typo addressed, nothing fancy

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...

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---------

Co-authored-by: Reece Dunham <[email protected]>

.yarn/versions/e7f5fdea.yml

@@ -0,0 +1,8 @@
+releases:
+  "@yarnpkg/plugin-pack": patch
+
+declined:
+  - "@yarnpkg/plugin-npm"
+  - "@yarnpkg/plugin-npm-cli"
+  - "@yarnpkg/plugin-typescript"
+  - "@yarnpkg/cli"

packages/plugin-pack/sources/commands/pack.ts

@@ -16,7 +16,7 @@ export default class PackCommand extends BaseCommand {
     details: `
       This command will turn the active workspace into a compressed archive suitable for publishing. The archive will by default be stored at the root of the workspace (\`package.tgz\`).
 
-      If the \`-o,---out\` is set the archive will be created at the specified path. The \`%s\` and \`%v\` variables can be used within the path and will be respectively replaced by the package name and version.
+      If the \`-o,--out\` is set the archive will be created at the specified path. The \`%s\` and \`%v\` variables can be used within the path and will be respectively replaced by the package name and version.
     `,
     examples: [[
       `Create an archive from the active workspace`,