Cherry Pick changes from main (after v1.0.6) to v1.1.x

[guettli]

/kind feature

v1.1x branch on the left side, main bottom right side.

• 8632a847 🌱 Update Go to 1.24.5. (#1641)
  | * 5fd82990 (origin/main, origin/HEAD, main) 🌱 Builder Image 1.0.26: added controller-gen (#1769)
  | * 18f39913 🌱 Set ServerCreateSucceededCondition to True on every Reconcile. (#1765)
  | * 056208c4 📖 Improve docs for InstallImage. (#1762)
  | * f4cf9edd 🌱 Better error message, when hcloud create server fails (to main) (#1758)
  | * 92674977 🌱 New version of mockery. Otherwise make generate fails. (#1766)
  | * bc2a9140 🌱 Builder-image: pipx failed: yamlfixer was no found. Fixed. (#1768)
  | * 2efc3f88 🌱 New builder image, Update to Go 1.25 (#1767)
  | * e1ac808a 🌱 Bump controller-gen (#1763)
  | * 95ba030f 🌱 Fallback to port 22 if SSH port is not specified. (#1752)
  | * 0da2770b 🌱 if hbmh is gone, set error, so that hbmm gets deleted. (#1754)
  | * 18673e61 📖 Elaborated main vs v1.1.x branch (#1751)
  | * 02c70ab9 📖 Announce v1.1.x branch and our current way of handling PRs. (#1744)
  | * c9faedba 🌱 fix console language (#1739)
  | * 1636fb3e (tag: v1.0.7, origin/release/v1.0.7) 🌱 Allow all values for HCloudMachine type (#1694)
  |/
• 89adce89 (tag: v1.0.6) 🌱 Add SkipCreatingHetznerSecretInWorkloadCluster to HetznerCluster (#1637)