build: Add workflow for creating draft releases (#1402)

* build: Change pump-version script to use flags

* build: Create initial prepare-release workflow

* build: Fix release script path

* build: Rename .env.example to example.env

* docs: propagate example.env rename

* build: Fix pump-version script patch argument

* build: Final tweaks to release scripts

docs/docs/install/unraid.md

@@ -53,7 +53,7 @@ alt="Select Plugins > Compose.Manager > Add New Stack > Label it Immich"
     </details>
 5.  Click "**Save Changes**", you will be promoted to edit stack UI labels, just leave this blank and click "**Ok**"
 6.  Select the cog ⚙️ next to Immich, click "**Edit Stack**", then click "**Env File**"
-7.  Past the entire contents of the [Immich .env.example](https://raw.githubusercontent.com/immich-app/immich/main/docker/.env.example) file into the Unraid editor, then **before saving** edit the following:
+7.  Past the entire contents of the [Immich example.env](https://raw.githubusercontent.com/immich-app/immich/main/docker/example.env) file into the Unraid editor, then **before saving** edit the following:
 
     - `JWT_SECRET`: Generate a unique secret and paste the value here > Can be generated by either typing `openssl rand -base64 128` in your terminal or copying from [uuidgenerator](https://www.uuidgenerator.net/version1)
     - `UPLOAD_LOCATION`: Create a folder in your Images Unraid share and place the **absolute** location here > For example my _"images"_ share has a folder within it called _"immich"_. If I browse to this directory in the terminal and type `pwd` the output is `/mnt/user/images/immich`. This is the exact value I need to enter as my `UPLOAD_LOCATION`