Enable Linux/arm and Linux/arm64 JIT rolling builds

dotnet#75167 enables this.

Author: BruceForstall

eng/pipelines/coreclr/jitrollingbuild.yml

@@ -22,11 +22,8 @@ jobs:
     platforms:
     - OSX_arm64
     - OSX_x64
-    # Currently, Linux arm/arm64 machines don't have the Python 'pip3' tool, nor the azure-storage-blob package that
-    # is required to do the JIT upload to Azure Storage. Thus, these platforms are disabled. If we can figure out how
-    # to get Python properly configured, then re-enable them.
-    # - Linux_arm
-    # - Linux_arm64
+    - Linux_arm
+    - Linux_arm64
     - Linux_x64
     - windows_x64
     - windows_x86
@@ -39,11 +36,8 @@ jobs:
     platforms:
     - OSX_arm64
     - OSX_x64
-    # Currently, Linux arm/arm64 machines don't have the Python 'pip3' tool, nor the azure-storage-blob package that
-    # is required to do the JIT upload to Azure Storage. Thus, these platforms are disabled. If we can figure out how
-    # to get Python properly configured, then re-enable them.
-    # - Linux_arm
-    # - Linux_arm64
+    - Linux_arm
+    - Linux_arm64
     - Linux_x64
     - windows_x64
     - windows_x86