Merge branch '3.4.x'

Closes gh-45697

Author: snicoll

.github/workflows/ci.yml

@@ -21,10 +21,6 @@ jobs:
             toolchain: false
           - version: 21
             toolchain: false
-          - version: 22
-            toolchain: false
-          - version: 23
-            toolchain: true
           - version: 24
             toolchain: true
         exclude: