Reduce CI jobs number (#2296)

Fixes #2267.

This PR doesn't decrease the coverage, because every job is tested either per PR or
nightly run (instead of 2 times as it was before). Actually, it even increases it because
Android is tested with Ubuntu 20 now which was disabled before.

.github/workflows/nightly_run.yml

@@ -4,6 +4,14 @@
 name: nightly_run
 
 on:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+    #running nightly pipeline if you're changing it 
+    paths:
+      - ".github/workflows/nightly_run.yml"
+      
   # midnight UTC
   schedule:
     - cron: "0 0 * * *"
@@ -39,24 +47,16 @@ jobs:
     with:
       os: "ubuntu-20.04"
       arch: "X86"
-
-  build_llvm_libraries_on_ubuntu_2204:
-    uses: ./.github/workflows/build_llvm_libraries.yml
-    with:
-      os: "ubuntu-22.04"
-      arch: "X86"
   
   build_wamrc:
     needs:
-      [build_llvm_libraries_on_ubuntu_2004, build_llvm_libraries_on_ubuntu_2204]
+      [build_llvm_libraries_on_ubuntu_2004]
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         include:
           - os: ubuntu-20.04
-            llvm_cache_key: ${{ needs.build_llvm_libraries_on_ubuntu_2004.outputs.cache_key }}
-          - os: ubuntu-22.04
-            llvm_cache_key: ${{ needs.build_llvm_libraries_on_ubuntu_2204.outputs.cache_key }}
+            llvm_cache_key: ${{ needs.build_llvm_libraries_on_ubuntu_2004.outputs.cache_key }}  
     steps:
       - name: checkout
         uses: actions/checkout@v3
@@ -88,7 +88,7 @@ jobs:
 
   build_iwasm:
     needs:
-      [build_llvm_libraries_on_ubuntu_2004, build_llvm_libraries_on_ubuntu_2204]
+      [build_llvm_libraries_on_ubuntu_2004]
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
@@ -120,7 +120,7 @@ jobs:
             "-DWAMR_BUILD_TAIL_CALL=1",
             "-DWAMR_DISABLE_HW_BOUND_CHECK=1",
           ]
-        os: [ubuntu-20.04, ubuntu-22.04]
+        os: [ubuntu-20.04]
         platform: [android, linux]
         exclude:
           # uncompatiable feature and platform
@@ -184,14 +184,10 @@ jobs:
             platform: android
           - make_options_run_mode: $MULTI_TIER_JIT_BUILD_OPTIONS
             platform: android
-          # only test andorid on ubuntu latest
-          - os: ubuntu-20.04
-            platform: android
         include:
           - os: ubuntu-20.04
             llvm_cache_key: ${{ needs.build_llvm_libraries_on_ubuntu_2004.outputs.cache_key }}
-          - os: ubuntu-22.04
-            llvm_cache_key: ${{ needs.build_llvm_libraries_on_ubuntu_2204.outputs.cache_key }}
+
     steps:
       - name: checkout
         uses: actions/checkout@v3
@@ -303,7 +299,6 @@ jobs:
       [
         build_iwasm,
         build_llvm_libraries_on_ubuntu_2004,
-        build_llvm_libraries_on_ubuntu_2204,
         build_wamrc,
       ]
     runs-on: ${{ matrix.os }}
@@ -321,7 +316,7 @@ jobs:
             $LLVM_EAGER_JIT_BUILD_OPTIONS,
             $MULTI_TIER_JIT_BUILD_OPTIONS,
           ]
-        os: [ubuntu-20.04, ubuntu-22.04]
+        os: [ubuntu-20.04]
         wasi_sdk_release:
           [
             "https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-20/wasi-sdk-20.0-linux.tar.gz",
@@ -333,8 +328,6 @@ jobs:
         include:
           - os: ubuntu-20.04
             llvm_cache_key: ${{ needs.build_llvm_libraries_on_ubuntu_2004.outputs.cache_key }}
-          - os: ubuntu-22.04
-            llvm_cache_key: ${{ needs.build_llvm_libraries_on_ubuntu_2204.outputs.cache_key }}
         exclude:
           - make_options: $MULTI_TIER_JIT_BUILD_OPTIONS
             sanitizer: asan
@@ -386,7 +379,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-20.04, ubuntu-22.04]
+        os: [ubuntu-20.04]
         wasi_sdk_release:
           [
             "https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-20/wasi-sdk-20.0-linux.tar.gz",
@@ -470,14 +463,13 @@ jobs:
       [
         build_iwasm,
         build_llvm_libraries_on_ubuntu_2004,
-        build_llvm_libraries_on_ubuntu_2204,
         build_wamrc,
       ]
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, ubuntu-22.04]
+        os: [ubuntu-20.04]
         sanitizer: ["", "ubsan", "asan"]
         running_mode:
           [
@@ -504,9 +496,7 @@ jobs:
           - os: ubuntu-20.04
             llvm_cache_key: ${{ needs.build_llvm_libraries_on_ubuntu_2004.outputs.cache_key }}
             ubuntu_version: "20.04"
-          - os: ubuntu-22.04
-            llvm_cache_key: ${{ needs.build_llvm_libraries_on_ubuntu_2204.outputs.cache_key }}
-            ubuntu_version: "22.04"
+
         exclude:
           # uncompatiable modes and features
           - os: ubuntu-20.04