Attempt setting grpc for Ruby

Author: tadeja

.github/workflows/cpp.yml

@@ -232,6 +232,8 @@ jobs:
           brew bundle --file=cpp/Brewfile
 
           # protobuf@33 is keg-only, so make it visible to CMake and pkg-config.
+          # Remove this workaround after the gRPC problem is fixed.
+          # See https://github.com/grpc/grpc/issues/41755
           export PROTOBUF_PREFIX="$(brew --prefix protobuf@33)"
           echo "PKG_CONFIG_PATH=${PROTOBUF_PREFIX}/lib/pkgconfig:${PKG_CONFIG_PATH}" >> "$GITHUB_ENV"
           echo "CMAKE_PREFIX_PATH=${PROTOBUF_PREFIX}:${ARROW_HOME}:${CMAKE_PREFIX_PATH}" >> "$GITHUB_ENV"

.github/workflows/python.yml

@@ -202,6 +202,8 @@ jobs:
           brew bundle --file=cpp/Brewfile
 
           # protobuf@33 is keg-only, so make it visible to CMake and pkg-config.
+          # Remove this workaround after the gRPC problem is fixed.
+          # See https://github.com/grpc/grpc/issues/41755
           export PROTOBUF_PREFIX="$(brew --prefix protobuf@33)"
           echo "PKG_CONFIG_PATH=${PROTOBUF_PREFIX}/lib/pkgconfig:${PKG_CONFIG_PATH}" >> "$GITHUB_ENV"
           echo "CMAKE_PREFIX_PATH=${PROTOBUF_PREFIX}:${ARROW_HOME}:${CMAKE_PREFIX_PATH}" >> "$GITHUB_ENV"

.github/workflows/ruby.yml

@@ -148,6 +148,7 @@ jobs:
       ARROW_WITH_SNAPPY: ON
       ARROW_WITH_ZLIB: ON
       ARROW_WITH_ZSTD: ON
+      gRPC_SOURCE: BUNDLED
     steps:
       - name: Checkout Arrow
         uses: actions/checkout@v6
@@ -164,6 +165,8 @@ jobs:
           brew bundle --file=c_glib/Brewfile
 
           # protobuf@33 is keg-only, so make it visible to CMake and pkg-config.
+          # Remove this workaround after the gRPC problem is fixed.
+          # See https://github.com/grpc/grpc/issues/41755
           export PROTOBUF_PREFIX="$(brew --prefix protobuf@33)"
           echo "PKG_CONFIG_PATH=${PROTOBUF_PREFIX}/lib/pkgconfig:${PKG_CONFIG_PATH}" >> "$GITHUB_ENV"
           echo "CMAKE_PREFIX_PATH=${PROTOBUF_PREFIX}:${ARROW_HOME}:${CMAKE_PREFIX_PATH}" >> "$GITHUB_ENV"