Correct spelling in changelog type docs and Beachball change-file skill

[Copilot]

This updates two typo fixes requested in the issue and keeps repo conventions intact for skill content changes.

• Description
  • Corrected determing → determining in packages/beachball/src/types/ChangeLog.ts
  • Corrected Deterine → Determine in skills/beachball-change-file/SKILL.md
• Related repo-required updates
  • Bumped skill metadata version in skills/beachball-change-file/SKILL.md from 1.0.3 to 1.0.4
  • Added Beachball change file for package beachball

// packages/beachball/src/types/ChangeLog.ts
// before: ... issue determing the hash
// after:  ... issue determining the hash

Original prompt

Please apply the following diffs and create a pull request.
Once the PR is ready, give it a title based on the messages of the fixes being applied.

[{"message":"Corrected spelling of 'determing' to 'determining'.","fixFiles":[{"filePath":"packages/beachball/src/types/ChangeLog.ts","diff":"diff --git a/packages/beachball/src/types/ChangeLog.ts b/packages/beachball/src/types/ChangeLog.ts\n--- a/packages/beachball/src/types/ChangeLog.ts\n+++ b/packages/beachball/src/types/ChangeLog.ts\n@@ -23,7 +23,7 @@\n    * For changelogs generated by beachball versions \\>=2.36.0, should be `\"not available\"` for\n    * bump entries, because the correct commit doesn't exist yet (see [issue](https://github.com/microsoft/beachball/issues/901)).\n    *\n-   * Could also be `\"not available\"` for other commits if there was an issue determing the hash\n+   * Could also be `\"not available\"` for other commits if there was an issue determining the hash\n    * at changelog generation time.\n    *\n    * Will be undefined if `options.change.includeCommitHashes` is false.\n"}]},{"message":"Corrected spelling of 'Deterine' to 'Determine'.","fixFiles":[{"filePath":"skills/beachball-change-file/SKILL.md","diff":"diff --git a/skills/beachball-change-file/SKILL.md b/skills/beachball-change-file/SKILL.md\n--- a/skills/beachball-change-file/SKILL.md\n+++ b/skills/beachball-change-file/SKILL.md\n@@ -12,7 +12,7 @@\n \n ## Prerequisites\n \n-- Deterine the root directory: this is almost always the git root, but the user might specify a different folder. (The root usually contains `beachball.config.*` or `.beachballrc.*` or has a `\"beachball\"` key in `package.json`.)\n+- Determine the root directory: this is almost always the git root, but the user might specify a different folder. (The root usually contains `beachball.config.*` or `.beachballrc.*` or has a `\"beachball\"` key in `package.json`.)\n - Determine the package manager for the repo (`npm`, `yarn`, `pnpm`). The example commands below assume `yarn`, but substitute the appropriate command runner syntax for a different package manager.\n - Check the root `package.json` `scripts` for scripts that run `beachball change` and `beachball check`.\n   - The examples below assume `scripts` called `change` and `checkchange` respectively, but substitute the appropriate script names if found.\n"}]}]