Bump openai/codex-action from 1.7 to 1.8

Bumps [openai/codex-action](https://github.com/openai/codex-action) from 1.7 to 1.8.
- [Changelog](https://github.com/openai/codex-action/blob/main/CHANGELOG.md)
- [Commits](openai/codex-action@5c3f4cc...e0fdf01)

---
updated-dependencies:
- dependency-name: openai/codex-action
  dependency-version: '1.8'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/issue-deduplicator.yml

@@ -57,7 +57,7 @@ jobs:
       # .github/prompts/issue-deduplicator.txt file is obsolete and removed.
       - id: codex-all
         name: Find duplicates (pass 1, all issues)
-        uses: openai/codex-action@5c3f4ccdb2b8790f73d6b21751ac00e602aa0c02 # v1.7
+        uses: openai/codex-action@e0fdf01220eb9a88167c4898839d273e3f2609d1 # v1.8
         with:
           openai-api-key: ${{ secrets.CODEX_OPENAI_API_KEY }}
           allow-users: "*"
@@ -200,7 +200,7 @@ jobs:
 
       - id: codex-open
         name: Find duplicates (pass 2, open issues)
-        uses: openai/codex-action@5c3f4ccdb2b8790f73d6b21751ac00e602aa0c02 # v1.7
+        uses: openai/codex-action@e0fdf01220eb9a88167c4898839d273e3f2609d1 # v1.8
         with:
           openai-api-key: ${{ secrets.CODEX_OPENAI_API_KEY }}
           allow-users: "*"

.github/workflows/issue-labeler.yml

@@ -18,7 +18,7 @@ jobs:
       codex_output: ${{ steps.codex.outputs.final-message }}
     steps:
       - id: codex
-        uses: openai/codex-action@5c3f4ccdb2b8790f73d6b21751ac00e602aa0c02 # v1.7
+        uses: openai/codex-action@e0fdf01220eb9a88167c4898839d273e3f2609d1 # v1.8
         with:
           openai-api-key: ${{ secrets.CODEX_OPENAI_API_KEY }}
           allow-users: "*"