[test] static selftests build

Author: theihor

.github/workflows/gcc-bpf.yml

@@ -88,7 +88,7 @@ jobs:
         run: .github/scripts/download-gcc-bpf.sh ${{ env.GCC_BPF_RELEASE_REPO }} ${{ env.GCC_BPF_INSTALL_DIR }}
 
       - name: Build selftests/bpf/test_progs-bpf_gcc
-        uses: libbpf/ci/build-selftests@v4
+        uses: libbpf/ci/build-selftests@v4-debug
         env:
           BPF_GCC: ${{ env.GCC_BPF_INSTALL_DIR }}
           MAX_MAKE_JOBS: 32

.github/workflows/kernel-build.yml

@@ -121,7 +121,7 @@ jobs:
           llvm-version: ${{ inputs.llvm_version }}
 
       - name: Build selftests/bpf
-        uses: libbpf/ci/build-selftests@v4
+        uses: libbpf/ci/build-selftests@v4-debug
         env:
           MAX_MAKE_JOBS: 32
           RELEASE: ${{ inputs.release && '1' || '' }}