CI: drop release workflow

.github/workflows/release.yml

@@ -1,59 +0,0 @@
-name: Release PR
-
-on:
-  workflow_dispatch:
-    inputs:
-      version:
-        required: true
-
-permissions:
-  contents: write
-  pull-requests: write
-
-jobs:
-  release_pr:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Install GitHub CLI
-        run: sudo apt-get update && sudo apt-get install -y gh
-
-
-      - name: Configure git
-        run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-
-      - uses: DeterminateSystems/nix-installer-action@v12
-
-      - name: Create release branch
-        run: |
-          git checkout -B release/v${{ inputs.version }}
-
-      - name: Set version in flake.nix
-        run: |
-          sed -i "s/version = \".*\";/version = \"${{ inputs.version }}\";/" flake.nix
-
-      - name: Update flake inputs
-        run: nix flake update
-
-      - name: Commit changes
-        run: |
-          git add flake.nix flake.lock
-          git commit -m "chore(release): ${{ inputs.version }}"
-
-      - name: Push branch
-        run: |
-          git push origin release/v${{ inputs.version }}
-
-      - name: Create Pull Request
-        run: |
-          gh pr create \
-            --base main \
-            --head release/v${{ inputs.version }} \
-            --title "[Automatic] Release v${{ inputs.version }}" \
-            --body "Automated release PR.\nAfter the test's succesfull run, create manually a release with a new tag matching ${{ inputs.version }}"
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}