Update main.yml - Change 'man' to 'man-db'

Author: rswgnu

.github/workflows/main.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Compile
         shell: bash
         run: |
-          apt-get install man
+          apt-get install man-db
           make bin 2>&1 | tee MAKE_BIN_OUTPUT
           echo "Number of warnings: $(grep "Warning:" MAKE_BIN_OUTPUT | wc -l)" >> $GITHUB_STEP_SUMMARY
           echo '```' >> $GITHUB_STEP_SUMMARY