Minor: Add github link to code that was upstreamed #32753

Job	Run time
cargo check	7m 46s
build with wasm-pack	2m 29s
cargo test (macos)	9m 48s
cargo test (win64)	59m 59s
cargo test (macos-aarch64)	9m 37s
Check cargo fmt	44s
Verify MSRV (Min Supported Rust Version)	7m 18s
Verify Vendored Code	48s
cargo test doc (amd64)	15m 16s
cargo test datafusion-cli (amd64)	3m 58s
clippy	5m 53s
cargo test hash collisions (amd64)	14m 40s
cargo doc	3m 52s
check Cargo.toml formatting	2m 56s
cargo test (amd64)	10m 9s
cargo examples (amd64)	13m 18s
Run sqllogictest with Postgres runner	3m 32s
cargo test pyarrow (amd64)	2m 49s
verify benchmark results (amd64)	11m 49s
check configs.md is up-to-date	2m 49s
	3h 9m 30s

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