chore: pin and update all workflow dependencies; add permission scopes (#2138)

---------

Signed-off-by: Christopher Phillips <christopher.phillips@anchore.com>

.github/workflows/update-cpe-dictionary-index.yml

@@ -5,6 +5,9 @@ on:
 
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 env:
   GO_VERSION: "1.21.x"
   GO_STABLE_VERSION: true
@@ -16,7 +19,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-go@v4
+      - uses: actions/setup-go@3df4ab11eba7bda6032a0b82a6bb43b11571feac #v4.0.0
         with:
           go-version: ${{ env.GO_VERSION }}
           stable: ${{ env.GO_STABLE_VERSION }}
@@ -24,13 +27,13 @@ jobs:
       - run: |
           make generate-cpe-dictionary-index
 
-      - uses: tibdex/github-app-token@v2
+      - uses: tibdex/github-app-token@0914d50df753bbc42180d982a6550f195390069f #v2.0.0
         id: generate-token
         with:
           app_id: ${{ secrets.TOKEN_APP_ID }}
           private_key: ${{ secrets.TOKEN_APP_PRIVATE_KEY }}
 
-      - uses: peter-evans/create-pull-request@v5
+      - uses: peter-evans/create-pull-request@153407881ec5c347639a548ade7d8ad1d6740e38 #v5.0.2
         with:
           signoff: true
           delete-branch: true