updated the workflows to run every night

Signed-off-by: Kairvee Vaswani <imt_2023037@iiitm.ac.in>

Author: kairveeehh

.github/workflows/build.yaml

@@ -6,6 +6,8 @@ on:
       - master
       - 'release/**'
   pull_request:
+  schedule:
+    - cron: '0 0 * * *'  # Runs every night at midnight UTC
 
 permissions:
   contents: read

.github/workflows/lima.yaml

@@ -6,6 +6,8 @@ on:
       - master
       - 'release/**'
   pull_request:
+  schedule:
+    - cron: '0 0 * * *'  # Runs every night at midnight UTC
 
 permissions:
   contents: read

.github/workflows/qemu.yaml

@@ -6,6 +6,8 @@ on:
       - master
       - 'release/**'
   pull_request:
+  schedule:
+    - cron: '0 0 * * *'  # Runs every night at midnight UTC
 
 permissions:
   contents: read

.github/workflows/release.yaml

@@ -12,6 +12,8 @@ on:
   pull_request:
     branches:
       - 'master'
+  schedule:
+    - cron: '0 0 * * *'  # Runs every night at midnight UTC
 permissions:
   contents: read
 jobs: