chore(deps): update aszc/change-string-case-action action to v8

##### [\`v8\`](https://github.com/ASzc/change-string-case-action/releases/tag/v8)

See [#19](ASzc/change-string-case-action#19)

---
##### [\`v7\`](https://github.com/ASzc/change-string-case-action/releases/tag/v7)

Github has deprecated node 20. This version uses node 24. Additionally, the Github actions dependencies have been updated. There are no feature changes

Author: renovate[bot]

.github/workflows/build.yml

@@ -96,12 +96,12 @@ jobs:
       # https://github.com/macbre/push-to-ghcr/issues/12
       - name: Lowercase Registry
         id: registry_case
-        uses: ASzc/change-string-case-action@d0603cd0a7dd490be678164909f65c7737470a7f # v6
+        uses: ASzc/change-string-case-action@ecd1412d078f2e06e9eedcbaa6fcd988151c3f82 # v8
         with:
           string: ${{ env.IMAGE_REGISTRY }}
       - name: Lowercase Image
         id: image_case
-        uses: ASzc/change-string-case-action@d0603cd0a7dd490be678164909f65c7737470a7f # v6
+        uses: ASzc/change-string-case-action@ecd1412d078f2e06e9eedcbaa6fcd988151c3f82 # v8
         with:
           string: ${{ env.IMAGE_NAME }}