fix release action?

Author: mnordahl

.github/workflows/latex-build.yml

@@ -9,7 +9,7 @@ jobs:
   build-and-release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Github Action for LaTeX
         uses: xu-cheng/latex-action@v4

.github/workflows/release_slides.yml

@@ -33,7 +33,7 @@ jobs:
           work_in_root_file_dir: true
           root_file: "lectures/${{ env.SUBJECT }}/slides_handout.tex"
         env:
-          TEXINPUTS: ".:../latex-support//:./latex-support//:"
+          TEXINPUTS: ".:../../latex-support//:./latex-support//:"
 
       - name: Rename output PDF
         run: |