CI: Place RISCOF dependency file properly

Author: jserv

requirements.txt renamed to .ci/requirements.txt

@@ -5,7 +5,7 @@
 set -e -u -o pipefail
 
 # Install RISCOF
-pip3 install -r requirements.txt
+pip3 install -r .ci/requirements.txt
 
 set -x
 

.ci/riscv-tests.sh

@@ -266,15 +266,15 @@ jobs:
         githubToken: ${{ github.token }}
         # No 'sudo' is available
         install: |
-          apt update -qq
-          apt install -yqq make git clang libsdl2-dev libsdl2-mixer-dev lsb-release wget software-properties-common gnupg bc
+          apt update -q=2
+          apt install -q=2 make git clang libsdl2-dev libsdl2-mixer-dev lsb-release wget software-properties-common gnupg bc
           git config --global --add safe.directory ${{ github.workspace }}
           git config --global --add safe.directory ${{ github.workspace }}/src/softfloat
           git config --global --add safe.directory ${{ github.workspace }}/src/mini-gdbstub
           wget https://apt.llvm.org/llvm.sh
           chmod +x ./llvm.sh
           ./llvm.sh 18
-        # FIXME: gcc build fails on Aarch64/Linux hosts  
+        # FIXME: gcc build fails on Aarch64/Linux hosts
         env: |
           CC: clang-18
         # Append custom commands here