Pin reffy jobs to ubuntu-22.04 for now

For puppeteer/chromium sake see puppeteer/puppeteer#12818

Author: dontcallmedom

.github/workflows/update-ed.yml

@@ -5,7 +5,7 @@ on:
 name: Update ED report
 jobs:
   update:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
     - name: Checkout repo
       uses: actions/checkout@v4

.github/workflows/update-tr.yml

@@ -5,7 +5,7 @@ on:
 name: Update TR report
 jobs:
   update:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
     - name: Checkout repo
       uses: actions/checkout@v4