Github workflows: manually install svn (#748)

* Use Ubuntu 22.04 in GH workflow php-lint-test

* Use ubuntu-latest and manually install svn instead

.github/workflows/php-lint-test.yml

@@ -27,6 +27,8 @@ jobs:
           php-version: '7.3' # needs >=7.3 for SARB
           tools:       composer
           coverage:    none
+      - name: Install SVN
+        run: sudo apt-get install -y subversion
       # install dependencies and run phpcs
       - run: composer self-update 2.0.6 && composer install --no-progress && composer phpcs
 
@@ -41,6 +43,8 @@ jobs:
         with:
           php-version: '7.3'
           coverage:    none
+      - name: Install SVN
+        run: sudo apt-get install -y subversion
       # run CI checks
       - run: find . \( -path ./vendor \) -prune -o \( -name '*.php' \) -exec php -lf {} \;| (! grep -v "No syntax errors detected" )
 
@@ -64,7 +68,9 @@ jobs:
       - uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
-          tools:       composer
+          tools: composer
+      - name: Install SVN
+        run: sudo apt-get install -y subversion
       # run CI checks
       - run: |
           echo "bash bin/run-ci-tests.sh"
@@ -88,6 +94,8 @@ jobs:
         with:
           php-version: '7.3'
           tools: composer
+      - name: Install SVN
+        run: sudo apt-get install -y subversion
       # run CI checks
       - run: bash bin/run-ci-tests.sh
   compatibility-beta:
@@ -108,6 +116,8 @@ jobs:
       - uses: shivammathur/setup-php@v2
         with:
           php-version: '7.4'
-          tools:       composer
+          tools: composer
+      - name: Install SVN
+        run: sudo apt-get install -y subversion
       # run CI checks
       - run: bash bin/run-ci-tests.sh