chore: Clean up cache usage in workflows (#6444)

* chore: Use same cache as bats tests

* chore: Clarify cache miss check

* chore: Remove use of setup-go cache

* chore: Use separate caches

* CR

.github/workflows/fuzz.yml

@@ -33,7 +33,7 @@ jobs:
   fuzz-grants-parse:
     name: Fuzz grants.Parse
     runs-on: ubuntu-latest
-    steps:    
+    steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Determine Go version
         id: get-go-version
@@ -45,6 +45,7 @@ jobs:
       - uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
         with:
           go-version: "${{ steps.get-go-version.outputs.go-version }}"
+          cache: false
       - shell: bash
         run: go test ./internal/perms -fuzz=FuzzParse -fuzztime=30s
       - name: Upload fuzz failure seed corpus as run artifact