remove outdated node v22 from theme workflows

Author: benderl

.github/workflows/check_display_theme_cards.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        node: [ 22, 24 ]
+        node: [ 24 ]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:

.github/workflows/check_display_theme_colors.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        node: [ 22, 24 ]
+        node: [ 24 ]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:

.github/workflows/check_web_theme_colors.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        node: [ 22, 24 ]
+        node: [ 24 ]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:

.github/workflows/check_web_theme_koala.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        node: [ 22, 24 ]
+        node: [ 24 ]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps: