Update clang and gcc.

Author: eyalz800

.github/workflows/build-linux-clang.yml

@@ -16,6 +16,8 @@ jobs:
 
       - name: "Setup clang"
         uses: egor-tensin/setup-clang@v1
+        with:
+          version: 12
 
       - name: "Setup cmake"
         run: cmake --version

.github/workflows/build-linux-gcc.yml

@@ -16,6 +16,8 @@ jobs:
 
       - name: "Setup gcc"
         uses: egor-tensin/setup-gcc@v1
+        with:
+          version: 11
 
       - name: "Setup cmake"
         run: cmake --version