[llvm] [Github] Bump old action versions (PR #129833)

[Carlo Cabrera via llvm-commits]

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@@ -65,7 +65,7 @@ jobs:
           fetch-depth: 1
       - name: Get subprojects that have doc changes
         id: docs-changed-subprojects
-        uses: tj-actions/changed-files at fea790cb660e33aef4bdf07304e28fedd77dfa13 # v39.2.4
+        uses: tj-actions/changed-files at dcc7a0cba800f454d79fff4b993e8c3555bcc0a8 # v45.0.7
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carlocab wrote:

For reference, breaking changes since v39.2.4:
- https://github.com/tj-actions/changed-files/releases/tag/v40.0.0
- https://github.com/tj-actions/changed-files/releases/tag/v41.0.0
- https://github.com/tj-actions/changed-files/releases/tag/v42.0.0
- https://github.com/tj-actions/changed-files/releases/tag/v43.0.0
- https://github.com/tj-actions/changed-files/releases/tag/v44.0.0
- https://github.com/tj-actions/changed-files/releases/tag/v45.0.0

Doesn't seem like any action is required, but leaving it here just in case.

https://github.com/llvm/llvm-project/pull/129833