Revert "Remove bash 3.2, 4.0 and 4.1 from the matrix"

This reverts commit 3498d76.

Author: lens0021

.github/workflows/rust.yml

@@ -68,9 +68,9 @@ jobs:
           - "bash:4.4"
           - "bash:4.3"
           - "bash:4.2"
-          # - "bash:4.1"
-          # - "bash:4.0"
-          # - "bash:3.2"
+          - "bash:4.1"
+          - "bash:4.0"
+          - "bash:3.2"
         sed:
           - GNU_sed
         # Uncomment the next matrix when https://github.com/amber-lang/amber/issues/617 is resolved