Remove version '7.3' from all GitHub Actions.

It is not supported at all.

Signed-off-by: Petr "Stone" Hracek <[email protected]>

Author: phracek

.github/workflows/container-tests.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: [ "7.3", "7.4", "8.0", "8.1", "8.2", "8.3" ]
+        version: [ "7.4", "8.0", "8.1", "8.2", "8.3" ]
         os_test: [ "fedora", "rhel8", "rhel9", "rhel10", "c9s", "c10s"]
         test_case: [ "container" ]
 

.github/workflows/openshift-pytests.yml

@@ -27,7 +27,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: [ "7.3", "7.4", "8.0", "8.1", "8.2" ]
+        version: [ "7.4", "8.0", "8.1", "8.2" ]
         os_test: [ "rhel8", "rhel9", "rhel10" ]
         test_case: [ "openshift-pytest" ]
 

.github/workflows/openshift-tests.yml

@@ -27,7 +27,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: [ "7.3", "7.4", "8.0" , "8.1", "8.2" ]
+        version: [ "7.4", "8.0" , "8.1", "8.2" ]
         os_test: [ "rhel8", "rhel9", "rhel10" ]
         test_case: [ "openshift-4" ]