[ci] add workflow_dispatch to all

* Add an option to manually trigger a run of the workflow
* Trigger all on pull_request_target (less error prone, does not execute
  code from pull request but base branch)
* Remove scheduled run from CodeQL

.github/workflows/clang-tidy.yml

@@ -1,5 +1,7 @@
 name: clang-tidy-review
 on:
+  workflow_dispatch:
+    branches: [ master, stable* ]
   pull_request_target:
     branches: [ master, stable* ]
 

.github/workflows/codeql-analysis.yml

@@ -12,13 +12,10 @@
 name: "CodeQL"
 
 on:
-  push:
+  workflow_dispatch:
     branches: [ master, stable* ]
-  pull_request:
-    # The branches below must be a subset of the branches above
+  pull_request_target:
     branches: [ master, stable* ]
-  schedule:
-    - cron: '30 8 * * 6'
     
 permissions:
   contents: read

.github/workflows/fuzzing.yml

@@ -1,11 +1,10 @@
 name: Fuzzing testing
 
 on:
-  push:
-    branches:
-      - 'master'
-  pull_request:
-    types: [opened, reopened, synchronize, labeled]
+  workflow_dispatch:
+    branches: [ master, stable* ]
+  pull_request_target:
+    branches: [ master, stable* ]
 
 jobs:
   fuzzing: