Add mcpg to version updater (#152)

Author: jamesadevine

.github/workflows/update-awf-version.lock.yml

@@ -1,7 +1,7 @@
 ---
 on:
   schedule: daily
-description: Checks for new releases of gh-aw-firewall and copilot-cli, and opens PRs to update pinned version constants
+description: Checks for new releases of gh-aw-firewall, copilot-cli, and gh-aw-mcpg, and opens PRs to update pinned version constants
 permissions:
   contents: read
   issues: read
@@ -13,7 +13,7 @@ network:
   allowed: [defaults]
 safe-outputs:
   create-pull-request:
-    max: 2
+    max: 3
 ---
 
 # Dependency Version Updater
@@ -24,12 +24,13 @@ You are a dependency maintenance bot for the **ado-aw** project — a Rust CLI c
 
 Check whether pinned version constants in `src/compile/common.rs` are up to date with the latest releases of their upstream dependencies. For each outdated constant, open a PR to update it.
 
-There are two dependencies to check:
+There are three dependencies to check:
 
 | Constant | Upstream Repository | Example value |
 |----------|-------------------|---------------|
 | `AWF_VERSION` | [github/gh-aw-firewall](https://github.com/github/gh-aw-firewall) | `0.25.14` |
 | `COPILOT_CLI_VERSION` | [github/copilot-cli](https://github.com/github/copilot-cli) | `1.0.6` |
+| `MCPG_VERSION` | [github/gh-aw-mcpg](https://github.com/github/gh-aw-mcpg) | `0.1.9` |
 
 Run the following steps **independently for each dependency**. One may be up to date while the other is not.
 
@@ -47,6 +48,7 @@ Read the file `src/compile/common.rs` in this repository and find the correspond
 
 - `pub const AWF_VERSION: &str = "...";`
 - `pub const COPILOT_CLI_VERSION: &str = "...";`
+- `pub const MCPG_VERSION: &str = "...";`
 
 Extract the version string.
 
@@ -96,4 +98,20 @@ If the latest version is newer than the current constant:
   *This PR was opened automatically by the dependency version updater workflow.*
   ```
 
+**For MCPG_VERSION:**
+- **Title**: `chore: update MCPG_VERSION to <latest-version>`
+- **Body**:
+  ```markdown
+  ## Dependency Update
+
+  Updates the pinned `MCPG_VERSION` constant in `src/compile/common.rs` from `<old-version>` to `<latest-version>`.
+
+  ### Release
+
+  See the [gh-aw-mcpg release notes](https://github.com/github/gh-aw-mcpg/releases/tag/v<latest-version>) for details.
+
+  ---
+  *This PR was opened automatically by the dependency version updater workflow.*
+  ```
+
 - **Base branch**: `main`