Security + Codecov CI updates #691

Job	Run time
Build x86_64-unknown-linux-gnu target	4m 28s
Build aarch64-apple-darwin target	3m 28s
Build x86_64-pc-windows-msvc target	10m 12s
Build x86_64-apple-darwin target	5m 48s
lint	2m 19s
Build x86_64-unknown-linux-musl target	7m 11s
rust-test-vectors	3m 28s
msrv (ubuntu-latest, stable)	4m 30s
test (ubuntu-latest)	44s
test (macos-latest)	44s
test (windows-latest)	25s
kotlin-acceptance-testing (ubuntu-latest)	1m 11s
kotlin-acceptance-testing (macos-latest)	53s
kotlin-acceptance-testing (macos-12)	1m 6s
kotlin-acceptance-testing (windows-latest)	1m 52s
kotlin-deploy-snapshot	1m 25s
	49m 44s

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