chore(deps): bump the actions group across 1 directory with 3 updates

Bumps the actions group with 3 updates in the / directory: [actions/checkout](https://github.com/actions/checkout), [haskell-actions/setup](https://github.com/haskell-actions/setup) and [actions/upload-artifact](https://github.com/actions/upload-artifact).


Updates `actions/checkout` from 4.1.1 to 6.0.2
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4.1.1...de0fac2)

Updates `haskell-actions/setup` from 2.7.5 to 2.11.0
- [Release notes](https://github.com/haskell-actions/setup/releases)
- [Commits](haskell-actions/setup@v2.7.5...cd0d9bd)

Updates `actions/upload-artifact` from 4.6.2 to 7.0.1
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4.6.2...043fb46)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/upload-artifact
  dependency-version: 7.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: haskell-actions/setup
  dependency-version: 2.11.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/casket-ci.yml

@@ -96,7 +96,7 @@ jobs:
         # `ea165de6abb5050e17c80995d4e2caaec6d72898` did not exist
         # upstream — GitHub Actions returned "unable to find version"
         # and every workflow run errored before any artifact was uploaded.
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: casket-ssg-${{ runner.os }}-${{ matrix.ghc }}
           path: .stack-work/install/**/bin/casket-ssg

.github/workflows/license-compliance.yml

@@ -81,7 +81,7 @@ jobs:
 
       - name: Upload license report
         # SHA fix 2026-05-25: previous pin did not exist upstream.
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: license-compliance-report
           path: license-report.md

.github/workflows/pages.yml

@@ -23,7 +23,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
 
       - name: Setup GHCup
-        uses: haskell-actions/setup@ec49483bfc012387b227434aba94f59a6ecd0900 # v2
+        uses: haskell-actions/setup@cd0d9bdd65b20557f41bea4dbe43d0b5fbbfe553 # v2
         with:
           ghc-version: '9.8.2'
           cabal-version: '3.10'

.github/workflows/release.yml

@@ -107,7 +107,7 @@ jobs:
           echo "VERSION=${VERSION}" >> $GITHUB_ENV
 
       - name: Upload artifact
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: casket-ssg-${{ matrix.arch }}-${{ matrix.os }}
           path: |

.github/workflows/sbom.yml

@@ -54,7 +54,7 @@ jobs:
 
       - name: Upload SBOM
         # SHA fix 2026-05-25: previous pin did not exist upstream.
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: sbom-cyclonedx
           path: cyclonedx-sbom.json

.github/workflows/workflow-linter.yml

@@ -16,7 +16,7 @@ jobs:
   lint-workflows:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
 
       - name: Check SPDX headers
         run: |