chore(deps): bump DeterminateSystems/update-flake-lock

Bumps [DeterminateSystems/update-flake-lock](https://github.com/determinatesystems/update-flake-lock) from 5ba4a20ae344a5edd7b97ed3002219974f4d20d7 to 6eeac1e86e13a9256682f930c4c7568acc43f047.
- [Release notes](https://github.com/determinatesystems/update-flake-lock/releases)
- [Commits](DeterminateSystems/update-flake-lock@5ba4a20...6eeac1e)

---
updated-dependencies:
- dependency-name: DeterminateSystems/update-flake-lock
  dependency-version: 6eeac1e86e13a9256682f930c4c7568acc43f047
  dependency-type: direct:production
...

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

Author: dependabot[bot]

.github/workflows/update-flake-lock.yml

@@ -27,7 +27,7 @@ jobs:
         uses: DeterminateSystems/nix-installer-action@1d87d45818068401a10cf16bdc5f00b24994a83f # pinned from main
 
       - name: Update flake.lock and open PR
-        uses: DeterminateSystems/update-flake-lock@5ba4a20ae344a5edd7b97ed3002219974f4d20d7 # pinned from main
+        uses: DeterminateSystems/update-flake-lock@6eeac1e86e13a9256682f930c4c7568acc43f047 # pinned from main
         with:
           pr-title: "chore(nix): monthly flake.lock update"
           pr-labels: dependencies