update to latest ubuntu in CI

Signed-off-by: Michael Baentsch <57787676+baentsch@users.noreply.github.com>

.github/workflows/linux.yml

@@ -17,7 +17,7 @@ jobs:
       matrix:
         cmake-params: [ "", "-DOQS_KEM_ENCODERS=ON" ]
     container:
-      image: openquantumsafe/ci-ubuntu-jammy:latest
+      image: openquantumsafe/ci-ubuntu-latest:latest
     env:
       MAKE_PARAMS: "-j 18"
       LIBOQS_BRANCH: "main"
@@ -44,8 +44,8 @@ jobs:
 # focal test done on CircleCI - save the compute cycles here until CCI is dropped
 #          - name: focal
 #            container: openquantumsafe/ci-ubuntu-focal-x86_64:latest
-          - name: jammy
-            container: openquantumsafe/ci-ubuntu-jammy:latest
+          - name: latest
+            container: openquantumsafe/ci-ubuntu-latest:latest
     container:
       image: ${{ matrix.container }}
     env:
@@ -94,7 +94,7 @@ jobs:
     strategy:
       fail-fast: false
     container:
-      image: openquantumsafe/ci-ubuntu-jammy:latest
+      image: openquantumsafe/ci-ubuntu-latest:latest
     env:
       CC: "clang"
       CXX: "clang++"
@@ -169,7 +169,7 @@ jobs:
     strategy:
       fail-fast: false
     container:
-      image: openquantumsafe/ci-ubuntu-jammy:latest
+      image: openquantumsafe/ci-ubuntu-latest:latest
     env:
       OPENSSL_BRANCH: "master"
       INSTALL_DIR: "/opt/install"