CI: Fix weekly tests again

Author: has2k1

.github/workflows/weekly.yml

@@ -8,7 +8,7 @@ on:
     - cron: "40 06 * * SAT"
 
 jobs:
-  latest p9, latest matplotlib:
+  latest-p9_latest-matplotlib:
     runs-on: ubuntu-latest
 
     strategy:
@@ -52,7 +52,7 @@ jobs:
           path: result_images/
           if-no-files-found: ignore
 
-  latest p9, latest pandas:
+  latest-p9_latest-pandas:
     runs-on: ubuntu-latest
 
     strategy:
@@ -100,7 +100,7 @@ jobs:
           path: result_images/
           if-no-files-found: ignore
 
-  stable p9, latest matplotlib:
+  stable-p9_latest-matplotlib:
     runs-on: ubuntu-latest
 
     strategy:
@@ -160,7 +160,7 @@ jobs:
           path: result_images/
           if-no-files-found: ignore
 
-  stable p9, latest pandas:
+  stable-p9_latest-pandas:
     runs-on: ubuntu-latest
 
     strategy:
@@ -221,7 +221,7 @@ jobs:
           path: tests/result_images/
           if-no-files-found: ignore
 
-  TYP latest p9, latest matplotlib:
+  TYP_latest-p9_latest-matplotlib:
     runs-on: ubuntu-latest
 
     strategy:
@@ -261,7 +261,7 @@ jobs:
         run: |
           make typecheck
 
-  TYP latest p9, latest pandas:
+  TYP_latest-p9_latest-pandas:
     runs-on: ubuntu-latest
 
     strategy: