Reduce GitHub Action permissions

See:
 * https://docs.zizmor.sh/audits/#excessive-permissions

Author: mpkorstanje

.github/workflows/release-github.yaml

@@ -1,5 +1,7 @@
 name: Release GitHub
 
+permissions: {}
+
 on:
   push:
     branches: [release/*]

.github/workflows/release-mvn.yml

@@ -1,5 +1,7 @@
 name: Release Maven
 
+permissions: {}
+
 on:
   push:
     branches: [release/*]

.github/workflows/release-npm.yml

@@ -1,18 +1,19 @@
 name: Release NPM
 
+permissions: {}
+
 on:
   push:
     branches: [release/*]
 
-permissions:
-  id-token: write
-  contents: read
-
 jobs:
   publish-npm:
     name: Publish NPM module
     runs-on: ubuntu-latest
     environment: Release
+    permissions:
+      id-token: write
+      contents: read
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:

.github/workflows/test-java.yml

@@ -1,5 +1,7 @@
 name: test-java
 
+permissions: {}
+
 on:
   push:
     branches:

.github/workflows/test-javascript.yml

@@ -1,5 +1,7 @@
 name: test-javascript
 
+permissions: {}
+
 on:
   push:
     branches: