GHA: run fuzzer on master commits, bump upload-artifacts

Also adjust formatting to match curl workflows.

Closes #1736

.github/workflows/ci.yml

@@ -6,9 +6,11 @@ name: 'CI'
 
 'on':
   push:
-    branches: [master]
+    branches:
+      - master
   pull_request:
-    branches: [master]
+    branches:
+      - master
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}

.github/workflows/cifuzz.yml

@@ -4,7 +4,13 @@
 #
 name: 'CIFuzz'
 
-'on': [pull_request]
+'on':
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
@@ -33,7 +39,7 @@ jobs:
         dry-run: false
         language: c
     - name: 'Upload Crash'
-      uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+      uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
       if: ${{ failure() && steps.build.outcome == 'success' }}
       with:
         name: artifacts

.github/workflows/openssh_server.yml

@@ -28,7 +28,8 @@ name: 'OpenSSH Server Docker Image'
 
 'on':
   push:
-    branches: [master]
+    branches:
+      - master
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.sha }}