Bump version to 2.58a1 #2121

Job	Run time
Build installer (osx-64)	7m 13s
Build installer (linux-64)	11m 39s
Build installer (osx-arm64)	5m 53s
Build installer (linux-aarch64)	8m 26s
Integration tests (Py3 server) (integration)	25m 51s
Create environment.yaml (linux-64)	1m 7s
macOS (arm64) tests (macos-15)	1m 56s
Basic tests (ubuntu-latest, centos:7, installer-linux-64)	43s
Basic tests (ubuntu-latest, almalinux:9, installer-linux-64)	55s
Integration tests (Py3 server) (rel-v8r0)	20m 35s
Basic tests (ubuntu-latest, centos:8, installer-linux-64)	57s
Basic tests (ubuntu-24.04-arm, almalinux:9, installer-linux-aarch64)	1m 4s
macOS (x86_64) tests (macos-15-intel)	2m 41s
macOS (arm64) tests (macos-14)	1m 47s
Show release notes and diff	1m 36s
	1h 32m 23s

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