ci: fixing workflow definitions

* `reusable_testing.yml` contained bad symbol in the steps.
* `run-tests` failed to run coveralls=true,fuzzing=false job.

Author: bigbes

.github/workflows/reusable_testing.yml

@@ -32,7 +32,7 @@ jobs:
         run: |
           TNT_VERSION=$(tarantool --version | grep -e '^Tarantool')
           echo "TNT_VERSION=$TNT_VERSION" >> $GITHUB_ENV
-п
+
       - name: Setup golang for connector and tests
         uses: actions/setup-go@v5
         with:

.github/workflows/testing.yml

@@ -41,12 +41,13 @@ jobs:
         coveralls: [false]
         fuzzing: [false]
         include:
-          - tarantool: 'master'
+          - golang: '1.20'
+            tarantool: 'master'
             coveralls: true
-            golang: '1.20'
-          - tarantool: 'master'
+            fuzzing: false
+          - golang: '1.20'
+            tarantool: 'master'
             fuzzing: true
-            golang: '1.20'
             coveralls: false
     uses: ./.github/workflows/reusable-run.yml
     with: