refactor: remove unused master branch from CI workflow

.github/workflows/buf-publish.yml

@@ -3,7 +3,6 @@ on:
   push:
     branches:
       - develop
-      - master
 
 permissions:
   contents: write

.github/workflows/version-bump.yml

@@ -14,15 +14,15 @@ jobs:
       - name: Check out
         uses: actions/checkout@v4
         with:
-          token: "${{ secrets.PERSONAL_ACCESS_TOKEN }}"
+          token: "${{ secrets.GH_PAT_TOKEN }}"
           fetch-depth: 0
 
       - uses: actions/setup-go@v5
         with:
-          go-version: ${{ env.GO_VERSION }}
+          go-version: "1.22"
           check-latest: true
 
-      - name: Tests
+      - name: Run tests
         run: make test
 
       - name: Create bump and changelog