Bump themes/PaperMod from e0fc64c to 28ec7a4 (#73)

Bumps [themes/PaperMod](https://github.com/adityatelange/hugo-PaperMod) from `e0fc64c` to `28ec7a4`.
- [Release notes](https://github.com/adityatelange/hugo-PaperMod/releases)
- [Commits](adityatelange/hugo-PaperMod@e0fc64c...28ec7a4)

---
updated-dependencies:
- dependency-name: themes/PaperMod
  dependency-type: direct:production
...

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