clang-12 pkg broken somehow on graviton, skip for now

.github/workflows/ci_ubuntu.yml

@@ -33,12 +33,12 @@ jobs:
               cc: "clang-12",
               cxx: "clang-cpp-12"
             }
-          - {
-              name: "Ubuntu Graviton Clang",
-              os: [self-hosted, Linux, ARM64, graviton],
-              cc: "clang-12",
-              cxx: "clang-cpp-12"
-            }
+          #- {
+          #    name: "Ubuntu Graviton Clang",
+          #    os: [self-hosted, Linux, ARM64, graviton],
+          #    cc: "clang-12",
+          #    cxx: "clang-cpp-12"
+          #  }
           - {
               name: "Ubuntu Graviton GCC",
               os: [self-hosted, Linux, ARM64, graviton],
@@ -46,12 +46,7 @@ jobs:
               cxx: "g++",
               cflags: "-march=armv8.2-a+fp16+rcpc+dotprod+crypto+sve -mtune=neoverse-n1"
             }
-        #  - {
-        #      name: "Ubuntu Graviton Clang",
-        #      os: [self-hosted, Linux, ARM64, graviton],
-        #      cc: "clang-12",
-        #      cxx: "clang-cpp-12"
-        #    }
+
     name: ${{ matrix.config.name }}
     defaults:
       run:
@@ -71,7 +66,7 @@ jobs:
           sudo add-apt-repository ppa:strukturag/libde265
           sudo add-apt-repository ppa:strukturag/libheif
 
-      - name: install Ubuntu dependencies
+      - name: install dependencies
         env:
           DEBIAN_FRONTEND: noninteractive
         run:  sudo -E apt-get install --fix-missing -qq -o Acquire::Retries=3
@@ -90,7 +85,7 @@ jobs:
           echo $CXX
           echo $CFLAGS
 
-      - name: Configure CMake Clang
+       - name: Configure CMake Clang
         if: contains(matrix.config.cc, 'clang')
         env:
           CC: ${{ matrix.config.cc }}