fix: CI on PHP 8.1 with Alpine Linux (#21)

Author: zeriyoshi

.github/workflows/ci.yaml

@@ -37,11 +37,11 @@ jobs:
           run: |
             docker compose run --rm shell library_test
         - name: Test extension with PHP Debug Build
-          if: matrix.platform == 'linux/amd64'
+          if: matrix.platform == 'linux/amd64' && matrix.version != '8.1'
           run: |
             docker compose run --rm shell pskel test debug
         - name: Test extension with Valgrind
-          if: matrix.platform == 'linux/amd64'
+          if: matrix.platform == 'linux/amd64' && matrix.version != '8.1'
           run: |
             docker compose run --rm shell pskel test valgrind
         - name: Test extension with LLVM Sanitizer (MemorySanitizer)

Dockerfile

@@ -22,7 +22,7 @@ RUN docker-php-source extract \
  &&   update-alternatives --install "/usr/bin/clang" clang "/usr/bin/clang-19" 100 \
  &&   update-alternatives --install "/usr/bin/clang++" clang++ "/usr/bin/clang++-19" 100; \
     else \
-      apk add --no-cache "bison" "zlib-dev" "sqlite-dev" "libxml2-dev" \
+      apk add --no-cache "bison" "zlib-dev" "sqlite-dev" "libxml2-dev" "linux-headers" \
         "autoconf" "pkgconfig" "make" "gcc" "g++" "valgrind" "valgrind-dev" \
         "musl-dev" "rsync" "git" "openssh" \
         "patch" "lcov" "gzip"; \