Add pg13 to CI build matrix

Since the actual tests have not been adjusted for PG13 yet this
only checks compiling against PG13. A subsequent PR will enable
tests for PG13.

.github/workflows/linux-build-and-test.yaml

@@ -101,19 +101,21 @@ jobs:
 
     - name: make installcheck
       id: installcheck
+      if: matrix.pg != '13.1'
       run: |
         set -o pipefail
         make -k -C build installcheck ${{ matrix.installcheck_args }} | tee installcheck.log
 
     - name: pginstallcheck
+      if: matrix.pg != '13.1'
       run: make -C build pginstallcheck
 
     - name: coverage
-      if: matrix.coverage
+      if: matrix.coverage && matrix.pg != '13.1'
       run: make -j $MAKE_JOBS -k -C build coverage
 
     - name: Upload coverage report
-      if: matrix.coverage
+      if: matrix.coverage && matrix.pg != '13.1'
       uses: codecov/codecov-action@v1
       with:
         file: ./build/codecov/timescaledb-codecov.info

.github/workflows/windows-build-and-test.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        pg: [ 11, 12 ]
+        pg: [ 11, 12, 13 ]
         os: [ windows-2019 ]
         build_type: [ Debug, Release ]
     env:

scripts/gh_matrix_builder.py

@@ -24,6 +24,8 @@
 PG11_LATEST = "11.10"
 PG12_EARLIEST = "12.0"
 PG12_LATEST = "12.5"
+PG13_EARLIEST = "13.0"
+PG13_LATEST = "13.1"
 
 m = {"include": [],}
 
@@ -92,9 +94,10 @@ def macos_config(overrides):
   base_config.update(overrides)
   return base_config
 
-# always test debug build on latest pg11 and latest pg12
+# always test debug build on latest pg 11, 12, 13
 m["include"].append(build_debug_config({"pg":PG11_LATEST}))
 m["include"].append(build_debug_config({"pg":PG12_LATEST}))
+m["include"].append(build_debug_config({"pg":PG13_LATEST}))
 
 m["include"].append(build_release_config(macos_config({})))