ci: change rust src to crates-io-index while using GitHub workflow (#1023)

Signed-off-by: longjin <longjin@DragonOS.org>

tools/docker-entrypoint.sh

@@ -1,3 +1,19 @@
 #!/bin/bash
 
+CONFIG_FILE=~/.cargo/config.toml
+
+change_rust_src_to_official() {
+echo -e "[source.crates-io]                             \n \
+registry = \"sparse+https://index.crates.io/\"            \n \
+[net]                                                   \n \
+git-fetch-with-cli = true                               \n \
+" > $CONFIG_FILE
+}
+
+# Check if the GITHUB_WORKFLOW environment variable is set and not empty
+if [ -n "$GITHUB_ACTION" ]; then
+    change_rust_src_to_official
+fi
+
+
 exec "$@"