ci: drop the tailwind v4 compatibility tests

Author: flavorjones

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
       fail-fast: false
       matrix:
         plat: ["ubuntu", "windows", "macos"]
-        tailwind: ["--version=~>3.4.14", "--version=~>4.0.0.alpha.27"]
+        tailwind: ["--version=~>3.4.14"]
     runs-on: ${{matrix.plat}}-latest
     env:
       TAILWINDCSSOPTS: ${{ matrix.tailwind }}

.github/workflows/upstream.yml

@@ -42,7 +42,7 @@ jobs:
       matrix:
         plat: ["ubuntu"]
         ref: ["7-2-stable", "8-0-stable", "main"]
-        tailwind: ["--version=~>3.4.14", "--version=~>4.0.0.alpha.27"]
+        tailwind: ["--version=~>3.4.14"]
     env:
       RAILSOPTS: --git=https://github.com/rails/rails --ref=${{ matrix.ref }}
       TAILWINDCSSOPTS: ${{ matrix.tailwind }}