fix: update create PR action v4 -> v6

[casswedson]

Summary

None

Purpose of change

weekly changelog action wasn't working fix it; update version, update all places where it's used
https://discord.com/channels/598523535169945603/598529174302490644/1224483590461460532
maleclypse got me a job

deprecation warnings finally deliver.

Describe the solution

Describe alternatives you've considered

Testing

https://github.com/casswedson/Cataclysm-DDA/actions/runs/8515833614
casswedson#154

patch minus the edits to make it work on my fork

modified   .github/workflows/format_emscripten.yml
@@ -48,7 +48,7 @@ jobs:
         run: ls -a
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v4
+        uses: peter-evans/create-pull-request@v6
         with:
           token: ${{ secrets.TX_PR_CREATOR }}
           commit-message: JSON linter gh-pages file update
modified   .github/workflows/pull-translations.yml
@@ -44,7 +44,7 @@ jobs:
       - name: "Update stats"
         run: ./lang/update_stats.sh
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v4
+        uses: peter-evans/create-pull-request@v6
         with:
           commit-message: Routine i18n updates on ${{ steps.current-date.outputs.formattedTime }}
           token: ${{ secrets.TX_PR_CREATOR }}
modified   .github/workflows/toc.yml
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4
       - run: npx doctoc doc/JSON_INFO.md --github
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v4
+        uses: peter-evans/create-pull-request@v6
         with:
           commit-message: Update the table of contents
           branch: update-toc
modified   .github/workflows/update-tilesets.yml
@@ -35,7 +35,7 @@ jobs:
           make tools/format/json_formatter.cgi
           find gfx/ -name "*.json" -print0 | xargs -0 -L 1 -P $(nproc) tools/format/json_formatter.cgi || exit 0
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v4
+        uses: peter-evans/create-pull-request@v6
         with:
           commit-message: |
             Routine tileset updates on ${{ steps.current-date.outputs.formattedTime }}
modified   .github/workflows/weekly-changelog.yml
@@ -33,7 +33,7 @@ jobs:
           echo "date=$( date +"%Y-%m-%d" -d $CURR_DATE )" >> $GITHUB_OUTPUT
           echo "old_date=$LAST_WEEK" >> $GITHUB_OUTPUT
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v4
+        uses: peter-evans/create-pull-request@v6
         with:
           commit-message: Weekly Changelog ${{ steps.getting-changes.outputs.old_date }} to ${{ steps.getting-changes.outputs.date }}
           committer: David Seguin <[email protected]>

Additional context