C2LC-575: Disable flow-coverage-report

With the update to react-scripts 5.0.0, flow-coverage-report is failing
with an error similar to this issue filed against flow-coverage-report
on 2021-10-21:

rpl/flow-coverage-report#208

.github/workflows/ci.yaml

@@ -38,8 +38,10 @@ jobs:
       - name: Flow
         run: npx flow check
       - name: Flow Type Coverage (HTML report)
+        if: ${{ false }} # Disable flow-coverage-report
         run: npx flow-coverage-report --config .flowcoverage-all
       - name: Archive Flow Type Coverage Report
+        if: ${{ false }} # Disable flow-coverage-report
         continue-on-error: true
         uses: actions/upload-artifact@v2
         with:
@@ -54,8 +56,10 @@ jobs:
           name: Test Code Coverage Report
           path: coverage/
       - name: Flow Type Coverage (main coverage threshold)
+        if: ${{ false }} # Disable flow-coverage-report
         run: npx flow-coverage-report --config .flowcoverage-main-threshold
       - name: Flow Type Coverage (test coverage threshold)
+        if: ${{ false }} # Disable flow-coverage-report
         run: npx flow-coverage-report --config .flowcoverage-tests-threshold
       - name: Lint Documentation
         run: npm run markdownlint