b0886fd35c0ad05adee3fb8008e4315bf2f91f1f ci, gha: Ensure only a single workflow processes `github.ref` at a time (Hennadii Stepanov)
Pull request description:
ACKs for top commit:
real-or-random:
ACK b0886fd35c0ad05adee3fb8008e4315bf2f91f1f
jonasnick:
ACK b0886fd35c0ad05adee3fb8008e4315bf2f91f1f
Tree-SHA512: 8edda9259fc07bda3a35286ab97238b2f2749fbc629030da52e5a352988e5562cf62255c7d4917b7f0c8dbc9a0bd3a36b5e725d3d5a4c635ae8239faef829d1b