Specify Bash shell

.github/workflows/__autobuild-direct-tracing.yml

@@ -59,7 +59,8 @@ jobs:
         with:
           version: ${{ matrix.version }}
           use-all-platform-bundle: 'false'
-      - name: Set up Java test repo configuration
+      - name: Set up Java test repo configuration (Linux)
+        shell: bash
         run: |
           mv * .github ../action/tests/multi-language-repo/
           mv ../action/tests/multi-language-repo/.github/workflows .github
@@ -74,6 +75,7 @@ jobs:
           tools: ${{ steps.prepare-test.outputs.tools-url }}
 
       - name: Check that indirect tracing is disabled
+        shell: bash
         run: |
           if [[ ! -z "${CODEQL_RUNNER}" ]]; then
             echo "Expected indirect tracing to be disabled, but the" \