build: drop 241 builds (#5592)

Author: rli

.changes/next-release/removal-5979b9e4-898d-405a-9fc4-5919bb972a0e.json

@@ -0,0 +1,4 @@
+{
+  "type" : "removal",
+  "description" : "Removed support for 2024.1.x IDEs"
+}

.changes/next-release/removal-6b54ddb0-1385-4788-a225-ddae6ac958d2.json

@@ -0,0 +1,4 @@
+{
+  "type" : "removal",
+  "description" : "Removed support for Gateway 2024.3"
+}

.github/workflows/prerelease.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         build_target: [ ':plugin-core:buildPlugin', ':plugin-toolkit:intellij-standalone:buildPlugin', ':plugin-amazonq:buildPlugin' ]
-        version: [ '2024.1', '2024.2', '2024.3', '2025.1' ]
+        version: [ '2024.2', '2024.3', '2025.1' ]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4