Remove Dependabot config and streamline release workflow

Deleted the dependabot.yml file to discontinue automated dependency updates. Simplified the release workflow by combining the dependency installation step and removing the unnecessary Composer token setup. This should reduce redundant actions and improve the maintainability of the workflow script.

.github/workflows/release.yml

@@ -29,23 +29,17 @@ jobs:
           coverage: none
           ini-values: memory_limit=1G, phar.readonly=0
 
-      - name: 'Setup Composer Token'
-        run: |
-          if [ ! -z '${{ secrets.COMPOSER_TOKEN }}' ]; then
-            composer config github-oauth.github.com ${{ secrets.COMPOSER_TOKEN }}
-          fi
+      - name: 'Install Project Dependencies'
+        run: composer install --no-interaction --no-ansi --no-progress
 
-      - name: 'Compile the application (Linux)'
+      - name: 'Compile the application'
         run: |
           vendor/bin/castor repack --os={{ matrix.os }} --app-name=beaver --app-version=${{ github.ref_name }}
           vendor/bin/castor compile beaver.linux.phar --php-version=${{ matrix.php }} --arch={{ matrix.arch }} --os={{ matrix.os }}
 
       - name: 'Move applications'
         run: mv beaver.* ./bin/
 
-      - name: 'Install Project Dependencies'
-        run: composer install --no-interaction --no-ansi --no-progress
-
       - name: 'Create Release'
         uses: ncipollo/release-action@v1
         with: