[CI] Update Azure Pipelines distros and fix shebang

- Add devel targets for Docker and Remote stages
- Split existing targets into 2.21 stages
- Fix shebang in timing.py to pass sanity test
- Remove unnecessary shebang ignores from sanity ignore files

Signed-off-by: Hideki Saito <saito@fgrep.org>

.azure-pipelines/azure-pipelines.yml

@@ -58,6 +58,22 @@ stages:
             - name: Lint
               test: lint
 
+  - stage: Sanity_2_21
+    displayName: Ansible 2.21 Sanity & Units & Lint
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          nameFormat: "{0}"
+          testFormat: 2.21/{0}
+          targets:
+            - name: Sanity
+              test: sanity
+            - name: Units
+              test: units
+            - name: Lint
+              test: lint
+
   - stage: Sanity_2_20
     displayName: Ansible 2.20 Sanity & Units & Lint
     dependsOn: []
@@ -131,8 +147,23 @@ stages:
         parameters:
           testFormat: devel/linux/{0}/1
           targets:
-            - name: Fedora 43
-              test: fedora43
+            - name: Fedora 44
+              test: fedora44
+            - name: Ubuntu 22.04
+              test: ubuntu2204
+            - name: Ubuntu 24.04
+              test: ubuntu2404
+
+  - stage: Docker_2_21
+    displayName: Docker 2.21
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          testFormat: devel/linux/{0}/1
+          targets:
+            - name: Fedora 44
+              test: fedora44
             - name: Ubuntu 22.04
               test: ubuntu2204
             - name: Ubuntu 24.04
@@ -209,8 +240,25 @@ stages:
               test: rhel/10.1
             - name: RHEL 9.7
               test: rhel/9.7
-            - name: FreeBSD 14.3
-              test: freebsd/14.3
+            - name: FreeBSD 14.4
+              test: freebsd/14.4
+            - name: FreeBSD 15.0
+              test: freebsd/15.0
+
+  - stage: Remote_2_21
+    displayName: Remote 2.21
+    dependsOn: []
+    jobs:
+      - template: templates/matrix.yml
+        parameters:
+          testFormat: devel/{0}/1
+          targets:
+            - name: RHEL 10.1
+              test: rhel/10.1
+            - name: RHEL 9.7
+              test: rhel/9.7
+            - name: FreeBSD 14.4
+              test: freebsd/14.4
             - name: FreeBSD 15.0
               test: freebsd/15.0
 
@@ -294,6 +342,9 @@ stages:
       - Sanity_2_20
       - Remote_2_20
       - Docker_2_20
+      - Sanity_2_21
+      - Remote_2_21
+      - Docker_2_21
       - Sanity_devel
       - Remote_devel
       - Docker_devel