Drop tests from ansible-core < 2.16 (#160)

Signed-off-by: Alina Buzachis <abuzachis@redhat.com>

Author: alinabuzachis

.github/workflows/sanity.yml

@@ -17,22 +17,6 @@ on:
         # remove 3.12/milestone from matrix_exclude when milestone is next forwarded
         default: >-
           [
-            {
-              "ansible-version": "stable-2.16",
-              "python-version": "3.9"
-            },
-            {
-              "ansible-version": "stable-2.17",
-              "python-version": "3.9"
-            },
-            {
-              "ansible-version": "milestone",
-              "python-version": "3.9"
-            },
-            {
-              "ansible-version": "devel",
-              "python-version": "3.9"
-            },
             {
               "ansible-version": "devel",
               "python-version": "3.10"
@@ -42,9 +26,9 @@ on:
               "python-version": "3.10"
             },
             {
-              "ansible-version": "stable-2.15",
-              "python-version": "3.12"
-            }
+              "ansible-version": "stable-2.18",
+              "python-version": "3.10"
+            },
           ]
         required: false
         type: string
@@ -72,13 +56,12 @@ jobs:
         os:
           - ubuntu-latest
         ansible-version:
-          - stable-2.15
           - stable-2.16
           - stable-2.17
+          - stable-2.18
           - milestone
           - devel
         python-version:
-          - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"

.github/workflows/unit_source.yml

@@ -15,22 +15,6 @@ on:
         # devel is 2.18 until xxxx-xx-xx
         default: >-
           [
-            {
-              "ansible-version": "stable-2.16",
-              "python-version": "3.9"
-            },
-            {
-              "ansible-version": "stable-2.17",
-              "python-version": "3.9"
-            },
-            {
-              "ansible-version": "milestone",
-              "python-version": "3.9"
-            },
-            {
-              "ansible-version": "devel",
-              "python-version": "3.9"
-            },
             {
               "ansible-version": "devel",
               "python-version": "3.10"
@@ -40,9 +24,9 @@ on:
               "python-version": "3.10"
             },
             {
-              "ansible-version": "stable-2.15",
-              "python-version": "3.12"
-            }
+              "ansible-version": "stable-2.18",
+              "python-version": "3.10"
+            },
           ]
         required: false
         type: string
@@ -57,13 +41,12 @@ jobs:
       fail-fast: false
       matrix:
         ansible-version:
-          - stable-2.15
           - stable-2.16
           - stable-2.17
+          - stable-2.18
           - milestone
           - devel
         python-version:
-          - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"