[teerdays] explicitly add burned teerdays to event #765

Job	Run time
Cargo Zepter	1m 6s
license-check	15s
Cancel Previous Runs	2s
Rust check cargo build --release	2m 47s
cargo-toml-fmt	9s
Rust check cargo build --release --features dot	2m 47s
Rust check cargo build --release --features ksm	2m 50s
Rust check cargo test --all --features runtime-benchmarks	3m 7s
Rust check cargo test --all --features dot	2m 55s
Rust check cargo test --all --features ksm	2m 59s
Rust check cargo +nightly fmt --all -- --check	24s
Rust check cargo clippy -- -D warnings	1m 55s
	21m 16s

Provide feedback