chore(deps): update peter-evans/create-pull-request action to v7 #1648

Job	Run time
webpack	8s
coverage	1m 55s
clippy	16s
doc	17s
readme	20s
rustfmt	14s
Test on Rust MSRV with default features	31s
Test on Rust MSRV with openapi features	37s
test-trybuild	35s
Test on Rust MSRV with full features	59s
Test on Rust Stable with default features	32s
Test on Rust Stable with openapi features	38s
Test on Rust Stable with full features	22s
Test on Rust beta with default features	22s
Test on Rust beta with openapi features	39s
Test on Rust beta with full features	1m 5s
Test on Rust nightly with default features	30s
Test on Rust nightly with openapi features	44s
Test on Rust nightly with full features	46s
pages	0s
	11m 30s

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