chore(deps): bump ASzc/change-string-case-action from 2 to 6

Bumps [ASzc/change-string-case-action](https://github.com/aszc/change-string-case-action) from 2 to 6.
- [Release notes](https://github.com/aszc/change-string-case-action/releases)
- [Commits](https://github.com/aszc/change-string-case-action/compare/v2...v6)

---
updated-dependencies:
- dependency-name: ASzc/change-string-case-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/docker.yml

@@ -28,12 +28,12 @@ jobs:
 
       - name: Get lowercase string for the repository name
         id: lowercase-repo-name
-        uses: ASzc/change-string-case-action@v2
+        uses: ASzc/change-string-case-action@v6
         with:
           string: ${{ github.event.repository.name }}
 
       - name: Checkout base
-        uses: actions/checkout@v4
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0
 
@@ -121,12 +121,12 @@ jobs:
     steps:
       - name: Get lowercase string for the repository name
         id: lowercase-repo-name
-        uses: ASzc/change-string-case-action@v2
+        uses: ASzc/change-string-case-action@v6
         with:
           string: ${{ github.event.repository.name }}
 
       - name: Checkout base
-        uses: actions/checkout@v4
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0