README.md: upgrade version in example; add a cpack jammy example

README.md

@@ -232,7 +232,7 @@ jobs:
       - CXX: ${{ matrix.compiler[1] }}
     steps:
       - uses: actions/checkout@v2
-      - uses: docker://lpenz/ghaction-cmake:0.16
+      - uses: docker://lpenz/ghaction-cmake:0.21.2
   # Regular C build with two compilers, using cmakeflags:
   build_using_compiler_in_cmakeflags:
     strategy:
@@ -244,15 +244,15 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       # This examples uses the appropriate cmakeflags
-      - uses: docker://lpenz/ghaction-cmake:0.16
+      - uses: docker://lpenz/ghaction-cmake:0.21.2
         with:
           cmakeflags: ${{ format('-DCMAKE_C_COMPILER={0}', matrix.compiler) }}
   # Coverage with codecov:
   codecov:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: docker://lpenz/ghaction-cmake:0.16
+      - uses: docker://lpenz/ghaction-cmake:0.21.2
         with:
           preset: coverage
       # ghaction-cmake works well with the github action
@@ -265,7 +265,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: docker://lpenz/ghaction-cmake:0.16
+      - uses: docker://lpenz/ghaction-cmake:0.21.2
         with:
           preset: coverage
       # ghaction-cmake works well with the github action
@@ -282,7 +282,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: docker://lpenz/ghaction-cmake:0.16
+      - uses: docker://lpenz/ghaction-cmake:0.21.2
         with:
           preset: ${{ matrix.preset }}
   # Tests with various sanitizers and valgrind:
@@ -299,17 +299,25 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: docker://lpenz/ghaction-cmake:0.16
+      - uses: docker://lpenz/ghaction-cmake:0.21.2
         with:
           preset: ${{ matrix.preset }}
   # Test installation:
   install:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: docker://lpenz/ghaction-cmake:0.16
+      - uses: docker://lpenz/ghaction-cmake:0.21.2
         with:
           preset: install
+  # Create the .deb in Ubuntu Jammy:
+  install:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: docker://lpenz/ghaction-cmake:0.21.2-ubuntu-jammy-amd64
+        with:
+          preset: cpack
 ```
 
 Note that the file above splits static analyzers from sanitizers, but