Updating pipelines to remove release7 and mariner2 (#15697)

Author: Ilya Skuratovsky

azure-pipelines-codeql.yml

@@ -34,7 +34,6 @@ schedules:
       include:
       - main
       - release/6.0
-      - release/7.0
       - release/8.0
       - release/9.0
     always: true

azure-pipelines-pr.yml

@@ -4,7 +4,6 @@ trigger:
     include:
     - main
     - release/6.0
-    - release/7.0
     - release/8.0
     - release/9.0
     exclude:
@@ -22,7 +21,6 @@ pr:
     include:
     - main
     - release/6.0
-    - release/7.0
     - release/8.0
     - release/9.0
     - templates
@@ -48,7 +46,7 @@ variables:
 resources:
   containers:
   - container: LinuxContainer
-    image: mcr.microsoft.com/dotnet-buildtools/prereqs:cbl-mariner-2.0-fpm
+    image: mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net10.0-fpm-amd64
 
 stages:
 - stage: build

azure-pipelines.yml

@@ -4,7 +4,6 @@ trigger:
     include:
     - main
     - release/6.0
-    - release/7.0
     - release/8.0
     - release/9.0
   paths:
@@ -30,7 +29,7 @@ variables:
 resources:
   containers:
   - container: LinuxContainer
-    image: mcr.microsoft.com/dotnet-buildtools/prereqs:cbl-mariner-2.0-fpm
+    image: mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net10.0-fpm-amd64
   repositories:
   - repository: 1ESPipelineTemplates
     type: git