Run `release` and `sync_docs` jobs on master branch only #2557

Job	Run time
tag_version	36s
test / test (ubuntu-latest-m, ., test)	2m 26s
test / test (macos-latest-xl, ., test)	2m 30s
test / test (windows-latest-l, ., test)	7m 4s
	12m 36s

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