Call out caveats with cache exclude patterns

The pattern shown in the current README doesn't work as-is (see https://github.com/actions/cache/issues/494). Making it explicit in the README until fixed can save time for people trying to use the feature.
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Robin Palotai 2022-02-05 21:32:13 +01:00 committed by GitHub
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@ -10,14 +10,14 @@ See ["Caching dependencies to speed up workflows"](https://help.github.com/githu
## What's New
* Added support for multiple paths, [glob patterns](https://github.com/actions/toolkit/tree/main/packages/glob), and single file caches.
* Added support for multiple paths, [glob patterns](https://github.com/actions/toolkit/tree/main/packages/glob), and single file caches (see [caveats on negative patterns](https://github.com/actions/cache/issues/494)).
```yaml
- name: Cache multiple paths
uses: actions/cache@v2
with:
path: |
~/cache
~/cache/*
!~/cache/exclude
key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
```