chore: clean up workflows (#2190)

Author: bshaffer

.github/workflows/tests.yml

@@ -18,8 +18,6 @@ jobs:
                     composer-flags: "--prefer-lowest "
                   - php: "8.0"
                     composer-flags: "--prefer-lowest "
-                  - php: "8.1"
-                    composer-flags: "--prefer-lowest "
         name: PHP ${{ matrix.php }} ${{ matrix.composer-flags }}Unit Test
         steps:
             - uses: actions/checkout@v2
@@ -33,15 +31,9 @@ jobs:
                 timeout_minutes: 10
                 max_attempts: 3
                 command: composer update ${{ matrix.composer-flags }}
-            - if: ${{ matrix.php == '8.0' || ( matrix.composer-flags == '--prefer-lowest' && matrix.php != '8.1' ) }}
+            - if: ${{ matrix.php == '8.0' && matrix.composer-flags == '--prefer-lowest ' }}
               name: Update guzzlehttp/ringphp dependency
               run: composer update guzzlehttp/ringphp
-            - if: ${{ matrix.php == '8.1' }}
-              name: Update guzzlehttp/ringphp dependency
-              run: composer update guzzlehttp/ringphp --ignore-platform-reqs
-            - if: ${{ matrix.php == '8.1' }}
-              name: Update phpunit/phpunit dependency
-              run: composer update phpunit/phpunit phpspec/prophecy-phpunit --with-dependencies --ignore-platform-reqs
             - name: Run Script
               run: vendor/bin/phpunit