chore: Delete unused release Github action (#3201)

It was only used for producing snap packages, and it also does not work at all at the moment.

.github/workflows/release.yml

@@ -1,36 +0,0 @@
-name: Releases
-
-permissions:
-  contents: read
-  secrets: read
-
-on:
-  workflow_dispatch:
-    inputs:
-      logLevel:
-        description: "Log level"
-        required: true
-        default: "warning"
-
-jobs:
-  snap:
-    runs-on: ubuntu-20.04
-
-    steps:
-      - name: Check out Git repository
-        uses: actions/checkout@v4
-
-      - uses: snapcore/action-build@v1
-        env:
-          SNAPCRAFT_BUILD_ENVIRONMENT_MEMORY: 6G
-        id: snapcraft
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: snap
-          path: ${{ steps.snapcraft.outputs.snap }}
-
-      - uses: snapcore/action-publish@v1
-        with:
-          store_login: ${{ secrets.SNAPCRAFT_TOKEN }}
-          snap: ${{ steps.snapcraft.outputs.snap }}