Add permissions to release workflows

Author: C0urante

.github/workflows/create_release.yml

@@ -30,6 +30,11 @@ on:
         description: "Hash of 'Release version x.y.z' commit"
         required: true
 
+permissions:
+  contents: write
+  pull-requests: write
+  issues: write
+
 jobs:
   build:
     name: Create Release

.github/workflows/release_pr_workflow.yml

@@ -33,6 +33,11 @@ on:
         description: "Snapshot version '0.2.0-SNAPSHOT' (without 'v')"
         required: true
 
+permissions:
+  contents: write
+  pull-requests: write
+  issues: write
+
 jobs:
   create_release_pr:
     name: Create release PR (job)