Try to fix GitHub action

Author: schoeberl

.github/workflows/test.yml

@@ -20,6 +20,8 @@ jobs:
         distribution: 'temurin'
     - name: Setup sbt
       uses: sbt/setup-sbt@v1
+    - name: apt update
+      run: sudo apt update
     - name: Setup Verilator
       run: sudo apt-get install verilator
     - name: Setup z3

chisel-book.tex

@@ -6468,7 +6468,7 @@ \subsection{Simulator Backends}
 simulator command that starts the backend. This is done by using \code{VerilatorFlags}
 to add switches to the Verilator simulation command, or \code{VerilatorCFlags} to add
 switches to GCC. They should be in the list of annotations along with the backend
-annotation. You need to refer to the tool's user manual to find a detailed list of command line arguments.
+annotation. You need to refer to the tool's user manual to find a detailed list of command-line arguments.
 Note that \code{VerilatorFlags} and \code{VerilatorCFlags} annotations are advanced features
 that should generally not be needed. Furthermore, the flags are not guaranteed to remain stable.