Update build/test Workflows

- Add libyaml-cpp-dev, libreadline
- Add a step to install cogapp for cog
- Use specific compiler to avoid nuisance 0-struct eerrors
- Remove clang if not using it
- Add setting up GTest in workflow
- Had to add PyYaml for unit tests

.github/workflows/build.yml

@@ -12,17 +12,18 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - uses: egor-tensin/setup-clang@v1
-        with:
-          version: latest
-          platform: x64
       - uses: ConorMacBride/install-package@v1
         with:
-          apt: libreadline-dev
+          apt: gcc-11 g++-11 libreadline-dev libyaml-cpp-dev
           version: latest
           platform: x64
+      - run: |
+          pip install cogapp
       - run: |
           mkdir -p build
           cd build
-          cmake  ..
-          make
+          cmake -DBUILD_TESTS=OFF  ..
+          make
+        env:
+          CC:   gcc-11
+          CXX:  g++-11

.github/workflows/test.yml

@@ -12,16 +12,23 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - uses: egor-tensin/setup-clang@v1
+      - uses: Bacondish2023/setup-googletest@v1
+        with:
+          tag: release-1.11.0
       - uses: ConorMacBride/install-package@v1
         with:
-          apt: valgrind libreadline-dev
+          apt: gcc-11 g++-11 libreadline-dev libyaml-cpp-dev valgrind
           version: latest
           platform: x64
+      - run: |
+          pip install cogapp pyyaml
       - run: |
           mkdir -p build
           cd build
           cmake -DBUILD_JSD_TESTS=ON -DCMAKE_BUILD_TYPE=Debug ..
           make
           make test
-          env CTEST_OUTPUT_ON_FAILURE=1 make -d memcheck
+          env CTEST_OUTPUT_ON_FAILURE=1 make -d memcheck
+        env:
+          CC:   gcc-11
+          CXX:  g++-11