github: Temporarily disable flaky CI test runs

See issue #63

Signed-off-by: Pedro Falcato <pedro.falcato@gmail.com>

.github/workflows/main.yml

@@ -515,6 +515,7 @@ jobs:
           name: Onyx boot image (arm64) (llvm)
           path: arm64-onyx-image-llvm.tar.zst
   run-x86_64:
+    if: ${{ false }} # TODO(heat): Flaky, fix (bug #63)
     runs-on: ubuntu-latest
     needs: build-toolchains
 
@@ -556,6 +557,7 @@ jobs:
           USE_KVM=0 ./scripts/ci/run-tests.py
   
   run-x86_64-llvm:
+    if: ${{ false }} # TODO(heat): Flaky, fix (bug #63)
     # The type of runner that the job will run on
     runs-on: ubuntu-latest
     needs: build-toolchains
@@ -601,6 +603,7 @@ jobs:
 
   
   run-riscv:
+    if: ${{ false }} # TODO(heat): Flaky, fix (bug #63)
     runs-on: ubuntu-latest
     needs: build-toolchains
 
@@ -641,6 +644,7 @@ jobs:
           USE_KVM=0 ./scripts/ci/run-tests.py
   
   run-riscv64-llvm:
+    if: ${{ false }} # TODO(heat): Flaky, fix (bug #63)
     # The type of runner that the job will run on
     runs-on: ubuntu-latest
     needs: build-toolchains