drop Squeak 5.2 and Squeak 5.1

Johan Brichau · Johan Brichau · commit b9295e5e9117 · 2023-02-05T09:48:32.000+01:00
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        smalltalk: [ Pharo64-10, Pharo64-9.0, Pharo64-8.0, Pharo64-7.0, GemStone64-3.6.3, GemStone64-3.5.7, GemStone64-3.4.5, GemStone64-3.3.9, GemStone64-3.2.17, GemStone64-3.1.0.6, Squeak64-5.3, Squeak64-5.2, Squeak64-5.1 ]
+        smalltalk: [ Pharo64-10, Pharo64-9.0, Pharo64-8.0, Pharo64-7.0, GemStone64-3.6.3, GemStone64-3.5.7, GemStone64-3.4.5, GemStone64-3.3.9, GemStone64-3.2.17, GemStone64-3.1.0.6, Squeak64-5.3 ]
         experimental: [ false ]
         include:
           - smalltalk: Pharo64-11
