Merge pull request #136 from stnolting/dependabot/submodules/neorv32-1f763a9

[Dependabot]: Bump neorv32 from `651732d` to `1f763a9`

Author: stnolting

.github/workflows/main.yml

@@ -10,7 +10,7 @@ on:
 jobs:
 
   Check:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
 
@@ -25,12 +25,14 @@ jobs:
         wget https://github.com/stnolting/icarus-verilog-prebuilt/releases/download/v1.0.0/iverilog-27082022.tar.gz
         mkdir $GITHUB_WORKSPACE/iverilog-27082022.tmp
         tar -xzf iverilog-27082022.tar.gz -C $GITHUB_WORKSPACE/iverilog-27082022.tmp/
-
-    - name: '⚙️ Update PATH variable'
-      run: echo "$GITHUB_WORKSPACE/iverilog-27082022.tmp/bin" >> $GITHUB_PATH
+        echo "$GITHUB_WORKSPACE/iverilog-27082022.tmp/bin" >> $GITHUB_PATH
 
     - name: '📦 Install GHDL'
-      uses: ghdl/setup-ghdl-ci@nightly
+      run: |
+        wget -q https://github.com/ghdl/ghdl/releases/download/v4.1.0/ghdl-gha-ubuntu-22.04-mcode.tgz
+        mkdir $GITHUB_WORKSPACE/ghdl
+        tar -xzf ghdl-gha-ubuntu-22.04-mcode.tgz -C $GITHUB_WORKSPACE/ghdl
+        echo $GITHUB_WORKSPACE/ghdl/bin >> $GITHUB_PATH
 
     - name: '🚀 Run verification script'
       run: /bin/bash -c "chmod u+x $GITHUB_WORKSPACE/.github/check.sh && $GITHUB_WORKSPACE/.github/check.sh"