v1.8.73

What's Changed

• patch(DPE-11249): Spaces tests by @Gu1nness in #496
• patch(DPE-11244): HA tests by @Gu1nness in #499
• patch(DPE-11247): Relation tests by @Gu1nness in #500
• patch: add metadata to docs pages by @a-velasco in #501
• patch(DPE-11245): Upgrades tests by @Gu1nness in #503
• patch(DPE-11246): Major upgrades tests by @Gu1nness in #504
• patch(DPE-11252): Migrate Mongos Tests by @Gu1nness in #505
• patch(DPE-11253): Release testing by @Gu1nness in #510
• patch(sharding): shard_integrated reconciliation by @Gu1nness in #515
• patch(DPE-11548): Cleanup old test helpers by @Gu1nness in #517
• patch(CI): dependencies for testing by @Gu1nness in #520
• patch: use latest charmed-mongodb artifacts by @patriciareinoso in #522
• patch: bigger runners, smaller idle_period, rework upgrades tests by @Gu1nness in #525

Full Changelog: v1.8.72...v1.8.73